pick up another regex completion

Author: zth

analysis/src/CompletionBackEnd.ml

@@ -1452,6 +1452,7 @@ let rec completeTypedValue ?(typeArgContext : typeArgContext option) ~rawOpens
     let completionItems =
       match path with
       | Pdot (Pdot (Pident {name = "Js"}, "Re", _), "t", _)
+      | Pdot (Pdot (Pident {name = "Stdlib"}, "RegExp", _), "t", _)
       | Pdot (Pident {name = "RegExp"}, "t", _) ->
         (* regexps *)
         create "/<regexp>/g" ~insertText:"/$0/g" ~includesSnippets:true

tests/analysis_tests/tests/src/expected/CompletionExpressions.res.txt

@@ -1259,6 +1259,14 @@ ContextPath CArgument Value[mkStuff]($0)
 ContextPath Value[mkStuff]
 Path mkStuff
 [{
+    "label": "/<regexp>/g",
+    "kind": 4,
+    "tags": [],
+    "detail": "Regular expression",
+    "documentation": null,
+    "insertText": "/$0/g",
+    "insertTextFormat": 2
+  }, {
     "label": "Stdlib.RegExp.fromString()",
     "kind": 12,
     "tags": [],