diff --git a/CHANGELOG.md b/CHANGELOG.md
index 66de9f1385..8713c31953 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,6 +25,7 @@
 - Fix generation of interfaces for module types containing multiple type constraints. https://github.com/rescript-lang/rescript/pull/7825
 - JSX preserve mode: fix "make is not a valid component name". https://github.com/rescript-lang/rescript/pull/7831
 - Rewatch: include parser arguments of experimental features. https://github.com/rescript-lang/rescript/pull/7836
+- Stop mangling tagged templates and backquoted strings. https://github.com/rescript-lang/rescript/pull/7841
 
 #### :memo: Documentation
 
diff --git a/compiler/core/j.ml b/compiler/core/j.ml
index 7465226ab9..dc5aa2514d 100644
--- a/compiler/core/j.ml
+++ b/compiler/core/j.ml
@@ -75,7 +75,7 @@ and for_ident = ident
 and for_direction = Js_op.direction_flag
 and property_map = (property_name * expression) list
 and length_object = Js_op.length_object
-and delim = External_arg_spec.delim = DNone | DStarJ | DNoQuotes
+and delim = External_arg_spec.delim = DNone | DStarJ | DNoQuotes | DBackQuotes
 
 and expression_desc =
   | Length of expression * length_object
diff --git a/compiler/core/js_dump.ml b/compiler/core/js_dump.ml
index 44820298f6..49ace5fa6c 100644
--- a/compiler/core/js_dump.ml
+++ b/compiler/core/js_dump.ml
@@ -729,6 +729,7 @@ and expression_desc cxt ~(level : int) f x : cxt =
       | DStarJ -> P.string f ("\"" ^ txt ^ "\"")
       | DNoQuotes -> P.string f txt
       | DNone -> Js_dump_string.pp_string f txt
+      | DBackQuotes -> P.string f ("`" ^ txt ^ "`")
     in
     cxt
   | Raw_js_code {code = s; code_info = info} -> (
diff --git a/compiler/core/lam.ml b/compiler/core/lam.ml
index d7c6d6c6cc..51b8bb3e38 100644
--- a/compiler/core/lam.ml
+++ b/compiler/core/lam.ml
@@ -430,7 +430,7 @@ let switch lam (lam_switch : lambda_switch) : t =
 
 let stringswitch (lam : t) cases default : t =
   match lam with
-  | Lconst (Const_string {s; unicode = false}) ->
+  | Lconst (Const_string {s; delim = None | Some DNoQuotes}) ->
     Ext_list.assoc_by_string cases s default
   | _ -> Lstringswitch (lam, cases, default)
 
@@ -471,7 +471,7 @@ module Lift = struct
 
   let bool b = if b then true_ else false_
 
-  let string s : t = Lconst (Const_string {s; unicode = false})
+  let string s : t = Lconst (Const_string {s; delim = None})
 
   let char b : t = Lconst (Const_char b)
 end
@@ -488,7 +488,7 @@ let prim ~primitive:(prim : Lam_primitive.t) ~args loc : t =
       Lift.int (Int32.of_float (float_of_string a))
     (* | Pnegfloat -> Lift.float (-. a) *)
     (* | Pabsfloat -> Lift.float (abs_float a) *)
-    | Pstringlength, Const_string {s; unicode = false} ->
+    | Pstringlength, Const_string {s; delim = None} ->
       Lift.int (Int32.of_int (String.length s))
     (* | Pnegbint Pnativeint, ( (Const_nativeint i)) *)
     (*   ->   *)
@@ -537,11 +537,11 @@ let prim ~primitive:(prim : Lam_primitive.t) ~args loc : t =
     | Psequor, Const_js_false, Const_js_true -> true_
     | Psequor, Const_js_false, Const_js_false -> false_
     | ( Pstringadd,
-        Const_string {s = a; unicode = false},
-        Const_string {s = b; unicode = false} ) ->
+        Const_string {s = a; delim = None},
+        Const_string {s = b; delim = None} ) ->
       Lift.string (a ^ b)
     | ( (Pstringrefs | Pstringrefu),
-        Const_string {s = a; unicode = false},
+        Const_string {s = a; delim = None},
         Const_int {i = b} ) -> (
       try Lift.char (Char.code (String.get a (Int32.to_int b)))
       with _ -> default ())
diff --git a/compiler/core/lam_compile_const.ml b/compiler/core/lam_compile_const.ml
index 58603472dd..4b50f55618 100644
--- a/compiler/core/lam_compile_const.ml
+++ b/compiler/core/lam_compile_const.ml
@@ -61,8 +61,8 @@ and translate (x : Lam_constant.t) : J.expression =
   | Const_char i -> Js_of_lam_string.const_char i
   | Const_bigint (sign, i) -> E.bigint sign i
   | Const_float f -> E.float f (* TODO: preserve float *)
-  | Const_string {s; unicode = false} -> E.str s
-  | Const_string {s; unicode = true} -> E.str ~delim:DStarJ s
+  | Const_string {s; delim = None | Some DNoQuotes} -> E.str s
+  | Const_string {s; delim = Some delim} -> E.str ~delim s
   | Const_pointer name -> E.str name
   | Const_block (tag, tag_info, xs) ->
     Js_of_lam_block.make_block NA tag_info (E.small_int tag)
diff --git a/compiler/core/lam_constant_convert.ml b/compiler/core/lam_constant_convert.ml
index 3be30e048c..a576412494 100644
--- a/compiler/core/lam_constant_convert.ml
+++ b/compiler/core/lam_constant_convert.ml
@@ -27,12 +27,8 @@ let rec convert_constant (const : Lambda.structured_constant) : Lam_constant.t =
   | Const_base (Const_int i) -> Const_int {i = Int32.of_int i; comment = None}
   | Const_base (Const_char i) -> Const_char i
   | Const_base (Const_string (s, opt)) ->
-    let unicode =
-      match opt with
-      | Some opt -> Ast_utf8_string_interp.is_unicode_string opt
-      | _ -> false
-    in
-    Const_string {s; unicode}
+    let delim = Ast_utf8_string_interp.parse_processed_delim opt in
+    Const_string {s; delim}
   | Const_base (Const_float i) -> Const_float i
   | Const_base (Const_int32 i) -> Const_int {i; comment = None}
   | Const_base (Const_int64 _) -> assert false
@@ -63,7 +59,7 @@ let rec convert_constant (const : Lambda.structured_constant) : Lam_constant.t =
       if Ext_string.is_valid_hash_number name then
         Const_int {i = Ext_string.hash_number_as_i32_exn name; comment = None}
       else Const_pointer name)
-  | Const_immstring s -> Const_string {s; unicode = false}
+  | Const_immstring s -> Const_string {s; delim = None}
   | Const_block (t, xs) -> (
     let tag = Lambda.tag_of_tag_info t in
     match t with
@@ -80,7 +76,7 @@ let rec convert_constant (const : Lambda.structured_constant) : Lam_constant.t =
         let tag_val : Lam_constant.t =
           if Ext_string.is_valid_hash_number s then
             Const_int {i = Ext_string.hash_number_as_i32_exn s; comment = None}
-          else Const_string {s; unicode = false}
+          else Const_string {s; delim = None}
         in
         Const_block (tag, t, [tag_val; convert_constant value])
       | _ -> assert false))
diff --git a/compiler/core/lam_convert.ml b/compiler/core/lam_convert.ml
index 574691ae46..2e88a3b703 100644
--- a/compiler/core/lam_convert.ml
+++ b/compiler/core/lam_convert.ml
@@ -184,7 +184,7 @@ let lam_prim ~primitive:(p : Lambda.primitive) ~args loc : Lam.t =
         let tag_val : Lam_constant.t =
           if Ext_string.is_valid_hash_number s then
             Const_int {i = Ext_string.hash_number_as_i32_exn s; comment = None}
-          else Const_string {s; unicode = false}
+          else Const_string {s; delim = None}
         in
         prim
           ~primitive:(Pmakeblock (tag, info, mutable_flag))
@@ -465,7 +465,7 @@ let convert (exports : Set_ident.t) (lam : Lambda.lambda) :
     | Lprim (Pgetglobal id, args, _) ->
       let args = Ext_list.map args convert_aux in
       if Ident.is_predef_exn id then
-        Lam.const (Const_string {s = id.name; unicode = false})
+        Lam.const (Const_string {s = id.name; delim = None})
       else (
         may_depend may_depends (Lam_module_ident.of_ml ~dynamic_import id);
         assert (args = []);
diff --git a/compiler/core/lam_pass_lets_dce.ml b/compiler/core/lam_pass_lets_dce.ml
index 04ab02d4bc..bf32bbc56b 100644
--- a/compiler/core/lam_pass_lets_dce.ml
+++ b/compiler/core/lam_pass_lets_dce.ml
@@ -63,7 +63,7 @@ let lets_helper (count_var : Ident.t -> Lam_pass_count.used_info) lam : Lam.t =
         ->
         Hash_ident.add subst v (simplif l1);
         simplif l2
-      | _, Lconst (Const_string {s; unicode = false}) ->
+      | _, Lconst (Const_string {s; delim = None}) ->
         (* only "" added for later inlining *)
         Hash_ident.add string_table v s;
         Lam.let_ Alias v l1 (simplif l2)
@@ -112,7 +112,7 @@ let lets_helper (count_var : Ident.t -> Lam_pass_count.used_info) lam : Lam.t =
         | _ -> (
           let l1 = simplif l1 in
           match l1 with
-          | Lconst (Const_string {s; unicode = false}) ->
+          | Lconst (Const_string {s; delim = None}) ->
             Hash_ident.add string_table v s;
             (* we need move [simplif lbody] later, since adding Hash does have side effect *)
             Lam.let_ Alias v l1 (simplif lbody)
@@ -127,7 +127,7 @@ let lets_helper (count_var : Ident.t -> Lam_pass_count.used_info) lam : Lam.t =
         let l1 = simplif l1 in
 
         match (kind, l1) with
-        | Strict, Lconst (Const_string {s; unicode = false}) ->
+        | Strict, Lconst (Const_string {s; delim = None}) ->
           Hash_ident.add string_table v s;
           Lam.let_ Alias v l1 (simplif l2)
         | _ -> Lam_util.refine_let ~kind v l1 (simplif l2))
@@ -157,7 +157,7 @@ let lets_helper (count_var : Ident.t -> Lam_pass_count.used_info) lam : Lam.t =
       let r' = simplif r in
       let opt_l =
         match l' with
-        | Lconst (Const_string {s = ls; unicode = false}) -> Some ls
+        | Lconst (Const_string {s = ls; delim = None}) -> Some ls
         | Lvar i -> Hash_ident.find_opt string_table i
         | _ -> None
       in
@@ -166,14 +166,13 @@ let lets_helper (count_var : Ident.t -> Lam_pass_count.used_info) lam : Lam.t =
       | Some l_s -> (
         let opt_r =
           match r' with
-          | Lconst (Const_string {s = rs; unicode = false}) -> Some rs
+          | Lconst (Const_string {s = rs; delim = None}) -> Some rs
           | Lvar i -> Hash_ident.find_opt string_table i
           | _ -> None
         in
         match opt_r with
         | None -> Lam.prim ~primitive:Pstringadd ~args:[l'; r'] loc
-        | Some r_s -> Lam.const (Const_string {s = l_s ^ r_s; unicode = false}))
-      )
+        | Some r_s -> Lam.const (Const_string {s = l_s ^ r_s; delim = None})))
     | Lglobal_module _ -> lam
     | Lprim {primitive; args; loc} ->
       Lam.prim ~primitive ~args:(Ext_list.map args simplif) loc
diff --git a/compiler/frontend/ast_utf8_string_interp.ml b/compiler/frontend/ast_utf8_string_interp.ml
index ee4ae0f7e1..90c5043256 100644
--- a/compiler/frontend/ast_utf8_string_interp.ml
+++ b/compiler/frontend/ast_utf8_string_interp.ml
@@ -275,35 +275,69 @@ module Delim = struct
     | None -> Some External_arg_spec.DNone
     | Some "json" -> Some DNoQuotes
     | Some "*j" -> Some DStarJ
+    | Some "bq" -> Some DBackQuotes
     | _ -> None
 
   type interpolation =
-    | Js (* string interpolation *)
+    | BackQuotes (* string interpolation *)
+    | Js (* simple double quoted string *)
     | Unrecognized (* no interpolation: delimiter not recognized *)
-  let parse_unprocessed = function
-    | "js" -> Js
+  let parse_unprocessed is_template = function
+    | "js" -> if is_template then BackQuotes else Js
     | _ -> Unrecognized
 
   let escaped_j_delimiter = "*j" (* not user level syntax allowed *)
+  let escaped_back_quote_delimiter = "bq"
+  let some_escaped_back_quote_delimiter = Some "bq"
   let unescaped_js_delimiter = "js"
-  let escaped = Some escaped_j_delimiter
+  let some_escaped_j_delimiter = Some escaped_j_delimiter
 end
 
 let transform_exp (e : Parsetree.expression) s delim : Parsetree.expression =
-  match Delim.parse_unprocessed delim with
+  let is_template =
+    Ext_list.exists e.pexp_attributes (fun ({txt}, _) ->
+        match txt with
+        | "res.template" | "res.taggedTemplate" -> true
+        | _ -> false)
+  in
+  match Delim.parse_unprocessed is_template delim with
   | Js ->
     let js_str = Ast_utf8_string.transform e.pexp_loc s in
-    {e with pexp_desc = Pexp_constant (Pconst_string (js_str, Delim.escaped))}
+    {
+      e with
+      pexp_desc =
+        Pexp_constant (Pconst_string (js_str, Delim.some_escaped_j_delimiter));
+    }
+  | BackQuotes ->
+    {
+      e with
+      pexp_desc =
+        Pexp_constant
+          (Pconst_string (s, Delim.some_escaped_back_quote_delimiter));
+    }
   | Unrecognized -> e
 
 let transform_pat (p : Parsetree.pattern) s delim : Parsetree.pattern =
-  match Delim.parse_unprocessed delim with
+  match Delim.parse_unprocessed false delim with
   | Js ->
     let js_str = Ast_utf8_string.transform p.ppat_loc s in
-    {p with ppat_desc = Ppat_constant (Pconst_string (js_str, Delim.escaped))}
+    {
+      p with
+      ppat_desc =
+        Ppat_constant (Pconst_string (js_str, Delim.some_escaped_j_delimiter));
+    }
+  | BackQuotes ->
+    {
+      p with
+      ppat_desc =
+        Ppat_constant
+          (Pconst_string (s, Delim.some_escaped_back_quote_delimiter));
+    }
   | Unrecognized -> p
 
-let is_unicode_string opt = Ext_string.equal opt Delim.escaped_j_delimiter
+let is_unicode_string opt =
+  Ext_string.equal opt Delim.escaped_j_delimiter
+  || Ext_string.equal opt Delim.escaped_back_quote_delimiter
 
 let is_unescaped s = Ext_string.equal s Delim.unescaped_js_delimiter
 
diff --git a/compiler/frontend/external_arg_spec.ml b/compiler/frontend/external_arg_spec.ml
index 287014bfe5..04c43a5157 100644
--- a/compiler/frontend/external_arg_spec.ml
+++ b/compiler/frontend/external_arg_spec.ml
@@ -24,7 +24,7 @@
 
 (** type definitions for arguments to a function declared external *)
 
-type delim = DNone | DStarJ | DNoQuotes
+type delim = DNone | DStarJ | DNoQuotes | DBackQuotes
 
 type cst = Arg_int_lit of int | Arg_string_lit of string * delim
 
diff --git a/compiler/frontend/external_arg_spec.mli b/compiler/frontend/external_arg_spec.mli
index 64d3daca97..6c79a3380a 100644
--- a/compiler/frontend/external_arg_spec.mli
+++ b/compiler/frontend/external_arg_spec.mli
@@ -22,7 +22,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *)
 
-type delim = DNone | DStarJ | DNoQuotes
+type delim = DNone | DStarJ | DNoQuotes | DBackQuotes
 
 type cst = private Arg_int_lit of int | Arg_string_lit of string * delim
 
diff --git a/compiler/frontend/external_ffi_types.ml b/compiler/frontend/external_ffi_types.ml
index 55c93b89e4..ef6c1c351f 100644
--- a/compiler/frontend/external_ffi_types.ml
+++ b/compiler/frontend/external_ffi_types.ml
@@ -273,12 +273,8 @@ let () =
       | _ -> false
 let inline_string_primitive (s : string) (op : string option) : string list =
   let lam : Lam_constant.t =
-    let unicode =
-      match op with
-      | Some op -> Ast_utf8_string_interp.is_unicode_string op
-      | None -> false
-    in
-    Const_string {s; unicode}
+    let delim = Ast_utf8_string_interp.parse_processed_delim op in
+    Const_string {s; delim}
   in
   [""; to_string (Ffi_inline_const lam)]
 
diff --git a/compiler/frontend/lam_constant.ml b/compiler/frontend/lam_constant.ml
index 86ff842322..c5bab8ffa9 100644
--- a/compiler/frontend/lam_constant.ml
+++ b/compiler/frontend/lam_constant.ml
@@ -47,7 +47,7 @@ type t =
   | Const_js_false
   | Const_int of {i: int32; comment: pointer_info}
   | Const_char of int
-  | Const_string of {s: string; unicode: bool}
+  | Const_string of {s: string; delim: External_arg_spec.delim option}
   | Const_float of string
   | Const_bigint of bool * string
   | Const_pointer of string
@@ -73,9 +73,9 @@ let rec eq_approx (x : t) (y : t) =
     match y with
     | Const_char iy -> ix = iy
     | _ -> false)
-  | Const_string {s = sx; unicode = ux} -> (
+  | Const_string {s = sx; delim = ux} -> (
     match y with
-    | Const_string {s = sy; unicode = uy} -> sx = sy && ux = uy
+    | Const_string {s = sy; delim = uy} -> sx = sy && ux = uy
     | _ -> false)
   | Const_float ix -> (
     match y with
diff --git a/compiler/frontend/lam_constant.mli b/compiler/frontend/lam_constant.mli
index b529c1c3b2..846e29d743 100644
--- a/compiler/frontend/lam_constant.mli
+++ b/compiler/frontend/lam_constant.mli
@@ -43,7 +43,7 @@ type t =
   | Const_js_false
   | Const_int of {i: int32; comment: pointer_info}
   | Const_char of int
-  | Const_string of {s: string; unicode: bool}
+  | Const_string of {s: string; delim: External_arg_spec.delim option}
   | Const_float of string
   | Const_bigint of bool * string
   | Const_pointer of string
diff --git a/packages/@rescript/runtime/lib/es6/Stdlib_Bool.js b/packages/@rescript/runtime/lib/es6/Stdlib_Bool.js
index 2544dd5672..cc03a9357e 100644
--- a/packages/@rescript/runtime/lib/es6/Stdlib_Bool.js
+++ b/packages/@rescript/runtime/lib/es6/Stdlib_Bool.js
@@ -29,7 +29,7 @@ function fromStringOrThrow(param) {
     default:
       throw {
         RE_EXN_ID: "Invalid_argument",
-        _1: "Bool.fromStringOrThrow: value is neither \"true\" nor \"false\"",
+        _1: `Bool.fromStringOrThrow: value is neither "true" nor "false"`,
         Error: new Error()
       };
   }
diff --git a/packages/@rescript/runtime/lib/es6/Stdlib_Error.js b/packages/@rescript/runtime/lib/es6/Stdlib_Error.js
index 9dcb2bfa59..682b462e12 100644
--- a/packages/@rescript/runtime/lib/es6/Stdlib_Error.js
+++ b/packages/@rescript/runtime/lib/es6/Stdlib_Error.js
@@ -23,7 +23,7 @@ let $$TypeError = {};
 let $$URIError = {};
 
 function panic(msg) {
-  throw new Error("Panic! " + msg);
+  throw new Error(`Panic! ` + msg);
 }
 
 export {
diff --git a/packages/@rescript/runtime/lib/es6/Stdlib_JsError.js b/packages/@rescript/runtime/lib/es6/Stdlib_JsError.js
index 04fb5fa4d2..b97281d70a 100644
--- a/packages/@rescript/runtime/lib/es6/Stdlib_JsError.js
+++ b/packages/@rescript/runtime/lib/es6/Stdlib_JsError.js
@@ -54,7 +54,7 @@ let $$URIError$1 = {
 };
 
 function panic(msg) {
-  throw new Error("Panic! " + msg);
+  throw new Error(`Panic! ` + msg);
 }
 
 export {
diff --git a/packages/@rescript/runtime/lib/js/Stdlib_Bool.js b/packages/@rescript/runtime/lib/js/Stdlib_Bool.js
index a7ce1d1ea0..02995bc721 100644
--- a/packages/@rescript/runtime/lib/js/Stdlib_Bool.js
+++ b/packages/@rescript/runtime/lib/js/Stdlib_Bool.js
@@ -29,7 +29,7 @@ function fromStringOrThrow(param) {
     default:
       throw {
         RE_EXN_ID: "Invalid_argument",
-        _1: "Bool.fromStringOrThrow: value is neither \"true\" nor \"false\"",
+        _1: `Bool.fromStringOrThrow: value is neither "true" nor "false"`,
         Error: new Error()
       };
   }
diff --git a/packages/@rescript/runtime/lib/js/Stdlib_Error.js b/packages/@rescript/runtime/lib/js/Stdlib_Error.js
index 3c6de75afb..58cf31a222 100644
--- a/packages/@rescript/runtime/lib/js/Stdlib_Error.js
+++ b/packages/@rescript/runtime/lib/js/Stdlib_Error.js
@@ -23,7 +23,7 @@ let $$TypeError = {};
 let $$URIError = {};
 
 function panic(msg) {
-  throw new Error("Panic! " + msg);
+  throw new Error(`Panic! ` + msg);
 }
 
 exports.fromException = fromException;
diff --git a/packages/@rescript/runtime/lib/js/Stdlib_JsError.js b/packages/@rescript/runtime/lib/js/Stdlib_JsError.js
index 3e6a4d822c..9aaf7a5d37 100644
--- a/packages/@rescript/runtime/lib/js/Stdlib_JsError.js
+++ b/packages/@rescript/runtime/lib/js/Stdlib_JsError.js
@@ -54,7 +54,7 @@ let $$URIError$1 = {
 };
 
 function panic(msg) {
-  throw new Error("Panic! " + msg);
+  throw new Error(`Panic! ` + msg);
 }
 
 exports.$$EvalError = $$EvalError$1;
diff --git a/rewatch/testrepo/packages/with-ppx/src/FileWithPpx.mjs b/rewatch/testrepo/packages/with-ppx/src/FileWithPpx.mjs
index 23929387dd..659456d11f 100644
--- a/rewatch/testrepo/packages/with-ppx/src/FileWithPpx.mjs
+++ b/rewatch/testrepo/packages/with-ppx/src/FileWithPpx.mjs
@@ -6,7 +6,7 @@ let schema = S.schema(s => ({
   foo: s.m(S.string)
 }));
 
-let foo = S.parseOrThrow("{ \"foo\": \"bar\" }", schema);
+let foo = S.parseOrThrow(`{ "foo": "bar" }`, schema);
 
 console.log(foo);
 
diff --git a/tests/docstring_tests/DocTest.res.js b/tests/docstring_tests/DocTest.res.js
index 12b54bf200..d71a5f1cdc 100644
--- a/tests/docstring_tests/DocTest.res.js
+++ b/tests/docstring_tests/DocTest.res.js
@@ -61,7 +61,7 @@ async function extractDocFromFile(file) {
     let e = Primitive_exceptions.internalToException(raw_e);
     if (e.RE_EXN_ID === "JsExn") {
       console.error(e._1);
-      return Stdlib_JsError.panic("Failed to extract code blocks from " + file);
+      return Stdlib_JsError.panic(`Failed to extract code blocks from ` + file);
     }
     throw e;
   }
@@ -84,7 +84,7 @@ async function extractExamples() {
       return false;
     }
   });
-  console.log("Extracting examples from " + docFiles.length.toString() + " runtime files...");
+  console.log(`Extracting examples from ` + docFiles.length.toString() + ` runtime files...`);
   let examples = [];
   await ArrayUtils.forEachAsyncInBatches(docFiles, batchSize, async f => {
     let doc = await extractDocFromFile(Nodepath.join(runtimePath, f));
@@ -120,25 +120,35 @@ async function main() {
         }
       });
       if (ignoreExample) {
-        console.warn("Ignoring " + example.id + " tests. Not supported by Node " + nodeVersion.toString());
+        console.warn(`Ignoring ` + example.id + ` tests. Not supported by Node ` + nodeVersion.toString());
         return;
       }
       let code = example.code;
       if (code.length === 0) {
         return;
       } else {
-        return "test(\"" + example.name + "\", () => {\n  module Test = {\n    " + code + "\n  }\n  ()\n})";
+        return `test("` + example.name + `", () => {
+  module Test = {
+    ` + code + `
+  }
+  ()
+})`;
       }
     });
     if (codeExamples.length <= 0) {
       return;
     }
-    let content = "describe(\"" + key + "\", () => {\n" + codeExamples.join("\n") + "\n })";
+    let content = `describe("` + key + `", () => {
+` + codeExamples.join("\n") + `
+ })`;
     output.push(content);
   });
   let dirname = Nodepath.dirname(Nodeurl.fileURLToPath(import.meta.url));
   let filepath = Nodepath.join(dirname, "generated_mocha_test.res");
-  let fileContent = "open Mocha\n@@warning(\"-32-34-60-37-109-3-44\")\n\n" + output.join("\n");
+  let fileContent = `open Mocha
+@@warning("-32-34-60-37-109-3-44")
+
+` + output.join("\n");
   return await Promises.writeFile(filepath, fileContent);
 }
 
diff --git a/tests/syntax_tests/data/parsing/other/expected/stringLiterals.res.txt b/tests/syntax_tests/data/parsing/other/expected/stringLiterals.res.txt
index 1e290bd44f..99be7cf952 100644
--- a/tests/syntax_tests/data/parsing/other/expected/stringLiterals.res.txt
+++ b/tests/syntax_tests/data/parsing/other/expected/stringLiterals.res.txt
@@ -1,4 +1,12 @@
 let s = {js|some unicode é £ |js}
+let s =
+  match foo with
+  | (({js|bar|js})[@res.template ]) -> {js|bar|js}
+  | {js|foo|js} -> {js|foo|js}
+  | _ -> {js|baz|js}
+let s = (({js|你好，
+世界|js})[@res.template ])
+let s = (({js|"|js})[@res.template ])
 let s = (({js|foo|js})[@res.template ])
 let s =
   (((((({js|foo |js})[@res.template ]) ++ bar)[@res.template ]) ++
diff --git a/tests/syntax_tests/data/parsing/other/stringLiterals.res b/tests/syntax_tests/data/parsing/other/stringLiterals.res
index b54010b378..4ec52d4064 100644
--- a/tests/syntax_tests/data/parsing/other/stringLiterals.res
+++ b/tests/syntax_tests/data/parsing/other/stringLiterals.res
@@ -1,4 +1,12 @@
 let s = "some unicode é £ "
+let s = switch foo {
+  | `bar` => "bar"
+  | "foo" => "foo"
+  | _ => "baz"
+}
+let s = `你好，
+世界`
+let s = `"`
 let s = `foo`
 let s = `foo ${bar} baz`
 let s = `some unicode é ${bar} £ `
diff --git a/tests/tests/src/alias_default_value_test.mjs b/tests/tests/src/alias_default_value_test.mjs
index f525661bb8..2d785cd801 100644
--- a/tests/tests/src/alias_default_value_test.mjs
+++ b/tests/tests/src/alias_default_value_test.mjs
@@ -75,7 +75,7 @@ function Alias_default_value_test$C7(props) {
       count !== 2 ? String(count) + " times" : "twice"
     ) : "once";
   let name = username !== undefined && username !== "" ? username : "Anonymous";
-  return "Hello " + name + ", you clicked me " + times;
+  return `Hello ` + name + `, you clicked me ` + times;
 }
 
 let C7 = {
diff --git a/tests/tests/src/chn_test.mjs b/tests/tests/src/chn_test.mjs
index 6742921299..d9009c7272 100644
--- a/tests/tests/src/chn_test.mjs
+++ b/tests/tests/src/chn_test.mjs
@@ -26,9 +26,10 @@ function eq(loc, x, y) {
   };
 }
 
-console.log("你好，\n世界");
+console.log(`你好，
+世界`);
 
-console.log("\x3f\u003f\b\t\n\v\f\r\0\"'");
+console.log(`\x3f\u003f\b\t\n\v\f\r\0"'`);
 
 function convert(s) {
   return Belt_List.fromArray(Array.from(s, x => {
@@ -48,9 +49,10 @@ function convert(s) {
   }));
 }
 
-eq("File \"chn_test.res\", line 32, characters 4-11", "你好，\n世界", "你好，\n世界");
+eq("File \"chn_test.res\", line 32, characters 4-11", `你好，
+世界`, `你好，\n世界`);
 
-eq("File \"chn_test.res\", line 38, characters 4-11", convert("汉字是世界上最美丽的character"), {
+eq("File \"chn_test.res\", line 38, characters 4-11", convert(`汉字是世界上最美丽的character`), {
   hd: 27721,
   tl: {
     hd: 23383,
@@ -109,7 +111,7 @@ eq("File \"chn_test.res\", line 38, characters 4-11", convert("汉字是世界
   }
 });
 
-eq("File \"chn_test.res\", line 62, characters 5-12", convert("\x3f\x3fa"), {
+eq("File \"chn_test.res\", line 62, characters 5-12", convert(`\x3f\x3fa`), {
   hd: 63,
   tl: {
     hd: 63,
@@ -120,7 +122,7 @@ eq("File \"chn_test.res\", line 62, characters 5-12", convert("\x3f\x3fa"), {
   }
 });
 
-eq("File \"chn_test.res\", line 63, characters 5-12", convert("??a"), {
+eq("File \"chn_test.res\", line 63, characters 5-12", convert(`??a`), {
   hd: 63,
   tl: {
     hd: 63,
@@ -131,7 +133,7 @@ eq("File \"chn_test.res\", line 63, characters 5-12", convert("??a"), {
   }
 });
 
-eq("File \"chn_test.res\", line 64, characters 5-12", convert("\u003f\x3fa"), {
+eq("File \"chn_test.res\", line 64, characters 5-12", convert(`\u003f\x3fa`), {
   hd: 63,
   tl: {
     hd: 63,
@@ -142,7 +144,7 @@ eq("File \"chn_test.res\", line 64, characters 5-12", convert("\u003f\x3fa"), {
   }
 });
 
-eq("File \"chn_test.res\", line 65, characters 5-12", convert("🚀🚀a"), {
+eq("File \"chn_test.res\", line 65, characters 5-12", convert(`🚀🚀a`), {
   hd: 128640,
   tl: {
     hd: 128640,
@@ -153,7 +155,7 @@ eq("File \"chn_test.res\", line 65, characters 5-12", convert("🚀🚀a"), {
   }
 });
 
-eq("File \"chn_test.res\", line 66, characters 5-12", convert("\uD83D\uDE80a"), {
+eq("File \"chn_test.res\", line 66, characters 5-12", convert(`\uD83D\uDE80a`), {
   hd: 128640,
   tl: {
     hd: 97,
@@ -161,7 +163,7 @@ eq("File \"chn_test.res\", line 66, characters 5-12", convert("\uD83D\uDE80a"),
   }
 });
 
-eq("File \"chn_test.res\", line 67, characters 5-12", convert("\uD83D\uDE80\x3f"), {
+eq("File \"chn_test.res\", line 67, characters 5-12", convert(`\uD83D\uDE80\x3f`), {
   hd: 128640,
   tl: {
     hd: 63,
@@ -169,7 +171,7 @@ eq("File \"chn_test.res\", line 67, characters 5-12", convert("\uD83D\uDE80\x3f"
   }
 });
 
-eq("File \"chn_test.res\", line 71, characters 5-12", convert("\uD83D\uDE80\uD83D\uDE80a"), {
+eq("File \"chn_test.res\", line 71, characters 5-12", convert(`\uD83D\uDE80\uD83D\uDE80a`), {
   hd: 128640,
   tl: {
     hd: 128640,
@@ -180,18 +182,18 @@ eq("File \"chn_test.res\", line 71, characters 5-12", convert("\uD83D\uDE80\uD83
   }
 });
 
-eq("No inline string length", "\uD83D\uDE80\0".length, 3);
+eq("No inline string length", `\uD83D\uDE80\0`.length, 3);
 
-eq("File \"chn_test.res\", line 78, characters 4-11", "\uD83D\uDE80\0".codePointAt(0), 128640);
+eq("File \"chn_test.res\", line 78, characters 4-11", `\uD83D\uDE80\0`.codePointAt(0), 128640);
 
-eq("File \"chn_test.res\", line 83, characters 5-12", "🚀".codePointAt(0), 128640);
+eq("File \"chn_test.res\", line 83, characters 5-12", `🚀`.codePointAt(0), 128640);
 
-eq("File \"chn_test.res\", line 88, characters 5-12", convert("\uD83D\uDE80"), {
+eq("File \"chn_test.res\", line 88, characters 5-12", convert(`\uD83D\uDE80`), {
   hd: 128640,
   tl: /* [] */0
 });
 
-eq("File \"chn_test.res\", line 89, characters 5-12", convert("\uD83D\uDE80\uD83D\uDE80"), {
+eq("File \"chn_test.res\", line 89, characters 5-12", convert(`\uD83D\uDE80\uD83D\uDE80`), {
   hd: 128640,
   tl: {
     hd: 128640,
@@ -199,7 +201,7 @@ eq("File \"chn_test.res\", line 89, characters 5-12", convert("\uD83D\uDE80\uD83
   }
 });
 
-eq("File \"chn_test.res\", line 90, characters 5-12", convert(" \b\t\n\v\f\ra"), {
+eq("File \"chn_test.res\", line 90, characters 5-12", convert(` \b\t\n\v\f\ra`), {
   hd: 32,
   tl: {
     hd: 8,
@@ -225,7 +227,7 @@ eq("File \"chn_test.res\", line 90, characters 5-12", convert(" \b\t\n\v\f\ra"),
   }
 });
 
-eq("File \"chn_test.res\", line 96, characters 5-12", convert(" \b\t\n\v\f\r\"'\\\0a"), {
+eq("File \"chn_test.res\", line 96, characters 5-12", convert(` \b\t\n\v\f\r"'\\\0a`), {
   hd: 32,
   tl: {
     hd: 8,
diff --git a/tests/tests/src/core/Core_ObjectTests.mjs b/tests/tests/src/core/Core_ObjectTests.mjs
index 5a8c271089..8c7770f929 100644
--- a/tests/tests/src/core/Core_ObjectTests.mjs
+++ b/tests/tests/src/core/Core_ObjectTests.mjs
@@ -428,7 +428,7 @@ function assignOverwritesTarget(title, source) {
       22,
       39
     ],
-    "assign " + title
+    `assign ` + title
   ], Object.assign({
     a: 1
   }, sourceObj), eq, sourceObj);
@@ -439,7 +439,7 @@ function assignOverwritesTarget(title, source) {
       22,
       39
     ],
-    "assign " + title
+    `assign ` + title
   ], Object.assign({
     a: undefined
   }, sourceObj), eq, sourceObj);
@@ -450,7 +450,7 @@ function assignOverwritesTarget(title, source) {
       22,
       39
     ],
-    "assign " + title
+    `assign ` + title
   ], Object.assign({
     a: null
   }, sourceObj), eq, sourceObj);
@@ -472,7 +472,7 @@ function runGetTest(i) {
       22,
       46
     ],
-    "Object.get: " + i.title
+    `Object.get: ` + i.title
   ], i.get(i.source()), eq, i.expected);
 }
 
@@ -555,7 +555,7 @@ function getSymbolTestWhenExists() {
       15,
       63
     ],
-    "Object.getSymbol when exists return it as Some"
+    `Object.getSymbol when exists return it as Some`
   ], retrieved, eq, "banana");
 }
 
@@ -568,7 +568,7 @@ Test.run([
     13,
     65
   ],
-  "Object.getSymbol when not exists return it as None"
+  `Object.getSymbol when not exists return it as None`
 ], ({})[Symbol("fruit")], eq, undefined);
 
 Test.run([
@@ -578,7 +578,7 @@ Test.run([
     13,
     46
   ],
-  "Object.create clones properties"
+  `Object.create clones properties`
 ], Object.create({
     a: 1
   })["a"], eq, 1);
@@ -590,7 +590,7 @@ Test.run([
     13,
     46
   ],
-  "Object.create clones properties"
+  `Object.create clones properties`
 ], Object.create({
     a: 1
   })["b"], eq, undefined);
diff --git a/tests/tests/src/core/Core_TempTests.mjs b/tests/tests/src/core/Core_TempTests.mjs
index 866e2e0788..519540f601 100644
--- a/tests/tests/src/core/Core_TempTests.mjs
+++ b/tests/tests/src/core/Core_TempTests.mjs
@@ -95,7 +95,7 @@ console.info("JSON");
 
 console.info("---");
 
-let json = JSON.parse("{\"foo\": \"bar\"}");
+let json = JSON.parse(`{"foo": "bar"}`);
 
 let json$1 = Stdlib_JSON.Classify.classify(json);
 
diff --git a/tests/tests/src/core/Core_TestTests.mjs b/tests/tests/src/core/Core_TestTests.mjs
index 0c2a2b1b77..60f39dbc78 100644
--- a/tests/tests/src/core/Core_TestTests.mjs
+++ b/tests/tests/src/core/Core_TestTests.mjs
@@ -90,7 +90,7 @@ Test.run([
     34
   ],
   "print string"
-], Test.print("foo"), eq, "\"foo\"");
+], Test.print("foo"), eq, `"foo"`);
 
 Test.run([
   [
@@ -112,7 +112,7 @@ Test.run([
   "print object"
 ], Test.print({
   x: 42
-}), eq, "{ x: 42 }");
+}), eq, `{ x: 42 }`);
 
 Test.run([
   [
diff --git a/tests/tests/src/core/Test.mjs b/tests/tests/src/core/Test.mjs
index 9b30283508..9623c45ff3 100644
--- a/tests/tests/src/core/Test.mjs
+++ b/tests/tests/src/core/Test.mjs
@@ -38,7 +38,13 @@ function run(loc, left, comparator, right) {
   }, {
     highlightCode: true
   });
-  let errorMessage = "\n  \u001b[31mTest Failure!\n  \u001b[36m" + file + "\u001b[0m:\u001b[2m" + String(line) + "\n" + codeFrame + "\n  \u001b[39mLeft: \u001b[31m" + left$1 + "\n  \u001b[39mRight: \u001b[31m" + right$1 + "\u001b[0m\n";
+  let errorMessage = `
+  \u001b[31mTest Failure!
+  \u001b[36m` + file + `\u001b[0m:\u001b[2m` + String(line) + `
+` + codeFrame + `
+  \u001b[39mLeft: \u001b[31m` + left$1 + `
+  \u001b[39mRight: \u001b[31m` + right$1 + `\u001b[0m
+`;
   console.log(errorMessage);
   let obj = {};
   Error.captureStackTrace(obj);
diff --git a/tests/tests/src/core/intl/Core_IntlTests.mjs b/tests/tests/src/core/intl/Core_IntlTests.mjs
index d51d8eb213..ecf0306d42 100644
--- a/tests/tests/src/core/intl/Core_IntlTests.mjs
+++ b/tests/tests/src/core/intl/Core_IntlTests.mjs
@@ -66,7 +66,7 @@ try {
       exit = 1;
     }
     if (exit === 1) {
-      console.warn("Unexpected error message: \"" + message + "\"");
+      console.warn(`Unexpected error message: "` + message + `"`);
       throw e$3;
     }
     
diff --git a/tests/tests/src/custom_error_test.mjs b/tests/tests/src/custom_error_test.mjs
index 4d53d92273..f1b1b5e016 100644
--- a/tests/tests/src/custom_error_test.mjs
+++ b/tests/tests/src/custom_error_test.mjs
@@ -6,7 +6,7 @@ import * as Primitive_exceptions from "@rescript/runtime/lib/es6/Primitive_excep
 function test_js_error() {
   let e;
   try {
-    e = JSON.parse(" {\"x\" : }");
+    e = JSON.parse(` {"x" : }`);
   } catch (raw_err) {
     let err = Primitive_exceptions.internalToException(raw_err);
     if (err.RE_EXN_ID === Stdlib_Exn.$$Error) {
@@ -20,7 +20,7 @@ function test_js_error() {
 
 function test_js_error2() {
   try {
-    return JSON.parse(" {\"x\" : }");
+    return JSON.parse(` {"x" : }`);
   } catch (raw_e) {
     let e = Primitive_exceptions.internalToException(raw_e);
     if (e.RE_EXN_ID === Stdlib_Exn.$$Error) {
@@ -34,7 +34,7 @@ function test_js_error2() {
 function example1() {
   let v;
   try {
-    v = JSON.parse(" {\"x\"  }");
+    v = JSON.parse(` {"x"  }`);
   } catch (raw_err) {
     let err = Primitive_exceptions.internalToException(raw_err);
     if (err.RE_EXN_ID === Stdlib_Exn.$$Error) {
@@ -48,7 +48,7 @@ function example1() {
 
 function example2() {
   try {
-    return JSON.parse(" {\"x\"}");
+    return JSON.parse(` {"x"}`);
   } catch (raw_exn) {
     let exn = Primitive_exceptions.internalToException(raw_exn);
     if (exn.RE_EXN_ID === Stdlib_Exn.$$Error) {
diff --git a/tests/tests/src/exception_rebound_err_test.mjs b/tests/tests/src/exception_rebound_err_test.mjs
index c9911dc3c6..12b4bf570d 100644
--- a/tests/tests/src/exception_rebound_err_test.mjs
+++ b/tests/tests/src/exception_rebound_err_test.mjs
@@ -34,7 +34,7 @@ let C = /* @__PURE__ */Primitive_exceptions.create("Exception_rebound_err_test.C
 
 function test_js_error4() {
   try {
-    JSON.parse(" {\"x\"}");
+    JSON.parse(` {"x"}`);
     return 1;
   } catch (raw_e) {
     let e = Primitive_exceptions.internalToException(raw_e);
diff --git a/tests/tests/src/exception_value_test.mjs b/tests/tests/src/exception_value_test.mjs
index a0811e4470..dd6e8a25de 100644
--- a/tests/tests/src/exception_value_test.mjs
+++ b/tests/tests/src/exception_value_test.mjs
@@ -57,7 +57,7 @@ function test_not_found(f, param) {
 
 function test_js_error2() {
   try {
-    return JSON.parse(" {\"x\" : }");
+    return JSON.parse(` {"x" : }`);
   } catch (raw_e) {
     let e = Primitive_exceptions.internalToException(raw_e);
     if (e.RE_EXN_ID === Stdlib_Exn.$$Error) {
@@ -70,7 +70,7 @@ function test_js_error2() {
 
 function test_js_error3() {
   try {
-    JSON.parse(" {\"x\"}");
+    JSON.parse(` {"x"}`);
     return 1;
   } catch (e) {
     return 0;
diff --git a/tests/tests/src/gbk.mjs b/tests/tests/src/gbk.mjs
index 4713069ee1..0db86aecac 100644
--- a/tests/tests/src/gbk.mjs
+++ b/tests/tests/src/gbk.mjs
@@ -3,7 +3,7 @@
 
 console.log("你好");
 
-console.log("你好");
+console.log(`你好`);
 
 console.log("你好");
 
diff --git a/tests/tests/src/gpr_3142_test.mjs b/tests/tests/src/gpr_3142_test.mjs
index 60628522d2..dbbd2c0eda 100644
--- a/tests/tests/src/gpr_3142_test.mjs
+++ b/tests/tests/src/gpr_3142_test.mjs
@@ -30,17 +30,17 @@ eq("File \"gpr_3142_test.res\", line 17, characters 3-10", tToJs("a"), "x");
 
 eq("File \"gpr_3142_test.res\", line 18, characters 3-10", tToJs("u"), "hi");
 
-eq("File \"gpr_3142_test.res\", line 19, characters 3-10", tToJs("b"), "你");
+eq("File \"gpr_3142_test.res\", line 19, characters 3-10", tToJs("b"), `你`);
 
-eq("File \"gpr_3142_test.res\", line 20, characters 3-10", tToJs("c"), "我");
+eq("File \"gpr_3142_test.res\", line 20, characters 3-10", tToJs("c"), `我`);
 
 eq("File \"gpr_3142_test.res\", line 22, characters 3-10", tFromJs("x"), "a");
 
 eq("File \"gpr_3142_test.res\", line 23, characters 3-10", tFromJs("hi"), "u");
 
-eq("File \"gpr_3142_test.res\", line 24, characters 3-10", tFromJs("你"), "b");
+eq("File \"gpr_3142_test.res\", line 24, characters 3-10", tFromJs(`你`), "b");
 
-eq("File \"gpr_3142_test.res\", line 25, characters 3-10", tFromJs("我"), "c");
+eq("File \"gpr_3142_test.res\", line 25, characters 3-10", tFromJs(`我`), "c");
 
 eq("File \"gpr_3142_test.res\", line 26, characters 3-10", tFromJs("xx"), undefined);
 
diff --git a/tests/tests/src/inline_condition_with_pattern_matching.mjs b/tests/tests/src/inline_condition_with_pattern_matching.mjs
index d2fd37d192..cd79b308b7 100644
--- a/tests/tests/src/inline_condition_with_pattern_matching.mjs
+++ b/tests/tests/src/inline_condition_with_pattern_matching.mjs
@@ -29,22 +29,22 @@ let person2 = {
 let message$1;
 
 if (person2.TAG === "Teacher") {
-  message$1 = "Hello Jane.";
+  message$1 = `Hello ` + "Jane" + `.`;
 } else {
   let name = "Jane";
   let match = person2.reportCard;
   if (match.passing) {
-    message$1 = "Congrats " + name + ", nice GPA of " + match.gpa.toString() + " you got there!";
+    message$1 = `Congrats ` + name + `, nice GPA of ` + match.gpa.toString() + ` you got there!`;
   } else {
     let exit = 0;
     let tmp$1 = 12345;
     if (typeof tmp$1 !== "object") {
-      message$1 = tmp$1 === "Sick" ? "How are you feeling?" : "Good luck next semester " + name + "!";
+      message$1 = tmp$1 === "Sick" ? `How are you feeling?` : `Good luck next semester ` + name + `!`;
     } else {
       exit = 1;
     }
     if (exit === 1) {
-      message$1 = person2.reportCard.gpa !== 0.0 ? "Good luck next semester " + name + "!" : "Come back in " + (12345)._0.toString() + " days!";
+      message$1 = person2.reportCard.gpa !== 0.0 ? `Good luck next semester ` + name + `!` : `Come back in ` + (12345)._0.toString() + ` days!`;
     }
     
   }
diff --git a/tests/tests/src/inline_const_test.mjs b/tests/tests/src/inline_const_test.mjs
index e5b3e28417..0f31029f9d 100644
--- a/tests/tests/src/inline_const_test.mjs
+++ b/tests/tests/src/inline_const_test.mjs
@@ -19,23 +19,23 @@ let H = Inline_const.N1({});
 
 let f = "hello";
 
-let f1 = "a";
+let f1 = `a`;
 
-let f2 = "中文";
+let f2 = `中文`;
 
-let f3 = "中文";
+let f3 = `中文`;
 
-let f4 = "中文";
+let f4 = `中文`;
 
 eq("File \"inline_const_test.res\", line 13, characters 5-12", f, "hello");
 
 eq("File \"inline_const_test.res\", line 14, characters 5-12", f1, "a");
 
-eq("File \"inline_const_test.res\", line 15, characters 5-12", f2, "中文");
+eq("File \"inline_const_test.res\", line 15, characters 5-12", f2, `中文`);
 
-eq("File \"inline_const_test.res\", line 16, characters 5-12", f3, "中文");
+eq("File \"inline_const_test.res\", line 16, characters 5-12", f3, `中文`);
 
-eq("File \"inline_const_test.res\", line 17, characters 5-12", f4, "中文");
+eq("File \"inline_const_test.res\", line 17, characters 5-12", f4, `中文`);
 
 eq("File \"inline_const_test.res\", line 18, characters 5-12", true, true);
 
diff --git a/tests/tests/src/js_exception_catch_test.mjs b/tests/tests/src/js_exception_catch_test.mjs
index 67a13cbea7..fc5978bcb6 100644
--- a/tests/tests/src/js_exception_catch_test.mjs
+++ b/tests/tests/src/js_exception_catch_test.mjs
@@ -52,7 +52,7 @@ let exit = 0;
 let e;
 
 try {
-  e = JSON.parse(" {\"x\"}");
+  e = JSON.parse(` {"x"}`);
   exit = 1;
 } catch (raw_x) {
   let x = Primitive_exceptions.internalToException(raw_x);
diff --git a/tests/tests/src/js_json_test.mjs b/tests/tests/src/js_json_test.mjs
index 03822b16bb..6aebf13582 100644
--- a/tests/tests/src/js_json_test.mjs
+++ b/tests/tests/src/js_json_test.mjs
@@ -50,7 +50,7 @@ function true_(loc) {
   }));
 }
 
-let v = JSON.parse(" { \"x\" : [1, 2, 3 ] } ");
+let v = JSON.parse(` { "x" : [1, 2, 3 ] } `);
 
 add_test("File \"js_json_test.res\", line 23, characters 11-18", () => {
   let ty = Js_json.classify(v);
@@ -564,7 +564,7 @@ eq("File \"js_json_test.res\", line 290, characters 2-9", JSON.stringify({
   baz: {
     baaz: 10
   }
-}), "{\"foo\":1,\"bar\":\"hello\",\"baz\":{\"baaz\":10}}");
+}), `{"foo":1,"bar":"hello","baz":{"baaz":10}}`);
 
 eq("File \"js_json_test.res\", line 295, characters 12-19", JSON.stringify(null), "null");
 
diff --git a/tests/tests/src/record_debug_test.mjs b/tests/tests/src/record_debug_test.mjs
index 7c1e3bf0d8..dcfc1fa7c2 100644
--- a/tests/tests/src/record_debug_test.mjs
+++ b/tests/tests/src/record_debug_test.mjs
@@ -83,8 +83,8 @@ let c = [
 console.log(a, c);
 
 eq("File \"record_debug_test.res\", line 56, characters 3-10", [
-  "",
-  "a"
+  ``,
+  `a`
 ], [
   "",
   "a"
diff --git a/tests/tests/src/string_unicode_test.mjs b/tests/tests/src/string_unicode_test.mjs
index 7df5ee7745..19220d445f 100644
--- a/tests/tests/src/string_unicode_test.mjs
+++ b/tests/tests/src/string_unicode_test.mjs
@@ -27,7 +27,7 @@ function eq(loc, x, y) {
 
 console.log("你好");
 
-console.log("你好");
+console.log(`你好`);
 
 console.log("你好");
 
diff --git a/tests/tests/src/switch_case_test.mjs b/tests/tests/src/switch_case_test.mjs
index 652b5ec795..eecfd87c07 100644
--- a/tests/tests/src/switch_case_test.mjs
+++ b/tests/tests/src/switch_case_test.mjs
@@ -44,9 +44,9 @@ eq("File \"switch_case_test.res\", line 22, characters 5-12", f("xx'''"), 0);
 
 eq("File \"switch_case_test.res\", line 23, characters 5-12", f("xx\""), 1);
 
-eq("File \"switch_case_test.res\", line 24, characters 5-12", f("xx\\\""), 2);
+eq("File \"switch_case_test.res\", line 24, characters 5-12", f(`xx\\"`), 2);
 
-eq("File \"switch_case_test.res\", line 25, characters 5-12", f("xx\\\"\""), 3);
+eq("File \"switch_case_test.res\", line 25, characters 5-12", f(`xx\\""`), 3);
 
 Mt.from_pair_suites("Switch_case_test", suites.contents);
 
diff --git a/tests/tests/src/tagged_template_test.mjs b/tests/tests/src/tagged_template_test.mjs
index 8063c7c91b..8ec5ba1bda 100644
--- a/tests/tests/src/tagged_template_test.mjs
+++ b/tests/tests/src/tagged_template_test.mjs
@@ -18,7 +18,8 @@ let id = "5";
 
 let queryWithModule = Tagged_template_libJs.sql`SELECT * FROM ${table} WHERE id = ${id}`;
 
-let query = Tagged_template_libJs.sql`SELECT * FROM ${table} WHERE id = ${id}`;
+let query = Tagged_template_libJs.sql`
+" SELECT * FROM ${table} WHERE id = ${id}`;
 
 let length = Tagged_template_libJs.length`hello ${10} what's the total length? Is it ${3}?`;
 
@@ -32,8 +33,8 @@ function foo(strings, values) {
 }
 
 let res = foo([
-  "| 5 × 10 = ",
-  " |"
+  `| 5 × 10 = `,
+  ` |`
 ], [5]);
 
 Mt.from_pair_suites("tagged templates", {
@@ -42,7 +43,8 @@ Mt.from_pair_suites("tagged templates", {
     () => ({
       TAG: "Eq",
       _0: query,
-      _1: "SELECT * FROM 'users' WHERE id = '5'"
+      _1: `
+" SELECT * FROM 'users' WHERE id = '5'`
     })
   ],
   tl: {
@@ -86,7 +88,7 @@ Mt.from_pair_suites("tagged templates", {
               "a regular string interpolation should continue working",
               () => ({
                 TAG: "Eq",
-                _0: "some random string interpolation",
+                _0: `some random ` + "string" + ` interpolation`,
                 _1: "some random string interpolation"
               })
             ],
diff --git a/tests/tests/src/tagged_template_test.res b/tests/tests/src/tagged_template_test.res
index 92c798724a..df19ec10be 100644
--- a/tests/tests/src/tagged_template_test.res
+++ b/tests/tests/src/tagged_template_test.res
@@ -11,7 +11,8 @@ let id = "5"
 let queryWithModule = Pg.sql`SELECT * FROM ${table} WHERE id = ${id}`
 
 open Pg
-let query = sql`SELECT * FROM ${table} WHERE id = ${id}`
+let query = sql`
+" SELECT * FROM ${table} WHERE id = ${id}`
 
 @module("./tagged_template_lib.js") @taggedTemplate
 external length: (array<string>, array<int>) => int = "length"
@@ -35,7 +36,11 @@ Mt.from_pair_suites(
   list{
     (
       "with externals, it should return a string with the correct interpolations",
-      () => Eq(query, "SELECT * FROM 'users' WHERE id = '5'"),
+      () => Eq(
+        query,
+        `
+" SELECT * FROM 'users' WHERE id = '5'`,
+      ),
     ),
     (
       "with module scoped externals, it should also return a string with the correct interpolations",
diff --git a/tests/tests/src/template.mjs b/tests/tests/src/template.mjs
index e205477ca3..84d606a3ee 100644
--- a/tests/tests/src/template.mjs
+++ b/tests/tests/src/template.mjs
@@ -1,10 +1,12 @@
 // Generated by ReScript, PLEASE EDIT WITH CARE
 
 
-let bla2 = "";
+let bla2 = ``;
 
 function concat() {
-  return "\n    display:\r flex;\n   " + bla2;
+  return `
+    display:\r flex;
+   ` + bla2;
 }
 
 export {