Allow numbers in tag names

Author: assertchris

source/Parser.php

@@ -118,7 +118,7 @@ public function tokens($code)
                 continue;
             }
 
-            preg_match("#^</?[a-zA-Z.]#", substr($code, $cursor, 3), $matchesStart);
+            preg_match("#^</?[0-9a-zA-Z.]#", substr($code, $cursor, 3), $matchesStart);
 
             if (
                 count($matchesStart)
@@ -174,7 +174,7 @@ public function tokens($code)
                 $tokens[] = $token;
 
                 if (preg_match("#/>$#", $tag)) {
-                    preg_match("#<([a-zA-Z.\-_]+)#", $tag, $matchesName);
+                    preg_match("#<([0-9a-zA-Z.\-_]+)#", $tag, $matchesName);
 
                     $previous = $tokens[count($tokens) - 1];
                     $tokens[count($tokens) - 1]["value"] = trim(substr($previous["value"], 0, strlen($previous["value"]) - 2)) . ">";
@@ -221,7 +221,7 @@ public function nodes($tokens)
             $token =& $tokens[$cursor];
 
             if ($token["type"] === "tag" && $token["value"][1] !== "/") {
-                preg_match("#^<([a-zA-Z.\-_]+)#", $token["value"], $matches);
+                preg_match("#^<([0-9a-zA-Z.\-_]+)#", $token["value"], $matches);
 
                 if ($current !== null) {
                     $token["parent"] =& $current;
@@ -241,7 +241,7 @@ public function nodes($tokens)
                     }
                 }
             } elseif ($token["type"] === "tag" && $token["value"][1] === "/") {
-                preg_match("#^</([a-zA-Z.\-_]+)#", $token["value"], $matches);
+                preg_match("#^</([0-9a-zA-Z.\-_]+)#", $token["value"], $matches);
 
                 $name = str_replace(".", "\\", $matches[1]);
 

tests/fixtures/compile/can-compile.php

@@ -14,6 +14,9 @@ function Error($props)
             render("span", [
                 "className" => "icon"
             ]),
+            render("h4", [
+                "children" => "Error"
+            ]),
             "You forgot the",
             $props->name,
             "field"

tests/fixtures/compile/can-compile.pre

@@ -9,6 +9,7 @@ function Error($props) {
             }}
         >
             <span className={"icon"}></span>
+            <h4>Error</h4>
             You forgot the {$props->name} field
         </div>
     );