Fix recognition of regexp class

Fixes #832

TypeScript.YAML-tmLanguage

@@ -136,7 +136,7 @@ variables:
     (:\s*(=>|{{matchingParenthesis}}|(<[^<>]*>)|[^<>(),=])+={{functionOrArrowLookup}})
   arrowFunctionEnd: (?==>|\{|(^\s*(export|function|class|interface|let|var|const|import|enum|namespace|module|type|abstract|declare)\s+))
   regexpTail: ([gimsuy]+|(?![\/\*])|(?=\/\*))(?!\s*[a-zA-Z0-9_$])
-  completeRegexp: \/(?![\/*])(?=(?:[^\/\\\[]|\\.|\[([^\]\\]|\\.)+\])+\/{{regexpTail}})
+  completeRegexp: \/(?![\/*])(?=(?:[^\/\\\[]|\\.|\[([^\]\\]|\\.)*\])+\/{{regexpTail}})
 
 patterns:
 - include: '#directives'

TypeScript.tmLanguage

@@ -4115,7 +4115,7 @@
                 <key>name</key>
                 <string>string.regexp.ts</string>
                 <key>begin</key>
-                <string>(?&lt;=\))\s*\/(?![\/*])(?=(?:[^\/\\\[]|\\.|\[([^\]\\]|\\.)+\])+\/([gimsuy]+|(?![\/\*])|(?=\/\*))(?!\s*[a-zA-Z0-9_$]))</string>
+                <string>(?&lt;=\))\s*\/(?![\/*])(?=(?:[^\/\\\[]|\\.|\[([^\]\\]|\\.)*\])+\/([gimsuy]+|(?![\/\*])|(?=\/\*))(?!\s*[a-zA-Z0-9_$]))</string>
                 <key>beginCaptures</key>
                 <dict>
                   <key>0</key>
@@ -8076,7 +8076,7 @@
             <key>name</key>
             <string>string.regexp.ts</string>
             <key>begin</key>
-            <string>((?&lt;![_$[:alnum:])\]]|\+\+|--|}|\*\/)|((?&lt;=^return|[^\._$[:alnum:]]return|^case|[^\._$[:alnum:]]case))\s*)\/(?![\/*])(?=(?:[^\/\\\[]|\\.|\[([^\]\\]|\\.)+\])+\/([gimsuy]+|(?![\/\*])|(?=\/\*))(?!\s*[a-zA-Z0-9_$]))</string>
+            <string>((?&lt;![_$[:alnum:])\]]|\+\+|--|}|\*\/)|((?&lt;=^return|[^\._$[:alnum:]]return|^case|[^\._$[:alnum:]]case))\s*)\/(?![\/*])(?=(?:[^\/\\\[]|\\.|\[([^\]\\]|\\.)*\])+\/([gimsuy]+|(?![\/\*])|(?=\/\*))(?!\s*[a-zA-Z0-9_$]))</string>
             <key>beginCaptures</key>
             <dict>
               <key>0</key>

TypeScriptReact.tmLanguage

@@ -4137,7 +4137,7 @@
                 <key>name</key>
                 <string>string.regexp.tsx</string>
                 <key>begin</key>
-                <string>(?&lt;=\))\s*\/(?![\/*])(?=(?:[^\/\\\[]|\\.|\[([^\]\\]|\\.)+\])+\/([gimsuy]+|(?![\/\*])|(?=\/\*))(?!\s*[a-zA-Z0-9_$]))</string>
+                <string>(?&lt;=\))\s*\/(?![\/*])(?=(?:[^\/\\\[]|\\.|\[([^\]\\]|\\.)*\])+\/([gimsuy]+|(?![\/\*])|(?=\/\*))(?!\s*[a-zA-Z0-9_$]))</string>
                 <key>beginCaptures</key>
                 <dict>
                   <key>0</key>
@@ -8024,7 +8024,7 @@
             <key>name</key>
             <string>string.regexp.tsx</string>
             <key>begin</key>
-            <string>((?&lt;![_$[:alnum:])\]]|\+\+|--|}|\*\/)|((?&lt;=^return|[^\._$[:alnum:]]return|^case|[^\._$[:alnum:]]case))\s*)\/(?![\/*])(?=(?:[^\/\\\[]|\\.|\[([^\]\\]|\\.)+\])+\/([gimsuy]+|(?![\/\*])|(?=\/\*))(?!\s*[a-zA-Z0-9_$]))</string>
+            <string>((?&lt;![_$[:alnum:])\]]|\+\+|--|}|\*\/)|((?&lt;=^return|[^\._$[:alnum:]]return|^case|[^\._$[:alnum:]]case))\s*)\/(?![\/*])(?=(?:[^\/\\\[]|\\.|\[([^\]\\]|\\.)*\])+\/([gimsuy]+|(?![\/\*])|(?=\/\*))(?!\s*[a-zA-Z0-9_$]))</string>
             <key>beginCaptures</key>
             <dict>
               <key>0</key>

tests/baselines/Issue832.baseline.txt

@@ -0,0 +1,64 @@
+original file
+-----------------------------------
+let a = /foo[]bar/;
+let b = /foo[^]bar/;
+-----------------------------------
+
+Grammar: TypeScript.tmLanguage
+-----------------------------------
+>let a = /foo[]bar/;
+ ^^^
+ source.ts meta.var.expr.ts storage.type.ts
+    ^
+    source.ts meta.var.expr.ts
+     ^
+     source.ts meta.var.expr.ts meta.var-single-variable.expr.ts meta.definition.variable.ts variable.other.readwrite.ts
+      ^
+      source.ts meta.var.expr.ts meta.var-single-variable.expr.ts
+       ^
+       source.ts meta.var.expr.ts keyword.operator.assignment.ts
+        ^
+        source.ts meta.var.expr.ts
+         ^
+         source.ts meta.var.expr.ts string.regexp.ts punctuation.definition.string.begin.ts
+          ^^^
+          source.ts meta.var.expr.ts string.regexp.ts
+             ^
+             source.ts meta.var.expr.ts string.regexp.ts constant.other.character-class.set.regexp punctuation.definition.character-class.regexp
+              ^
+              source.ts meta.var.expr.ts string.regexp.ts constant.other.character-class.set.regexp punctuation.definition.character-class.regexp
+               ^^^
+               source.ts meta.var.expr.ts string.regexp.ts
+                  ^
+                  source.ts meta.var.expr.ts string.regexp.ts punctuation.definition.string.end.ts
+                   ^
+                   source.ts punctuation.terminator.statement.ts
+>let b = /foo[^]bar/;
+ ^^^
+ source.ts meta.var.expr.ts storage.type.ts
+    ^
+    source.ts meta.var.expr.ts
+     ^
+     source.ts meta.var.expr.ts meta.var-single-variable.expr.ts meta.definition.variable.ts variable.other.readwrite.ts
+      ^
+      source.ts meta.var.expr.ts meta.var-single-variable.expr.ts
+       ^
+       source.ts meta.var.expr.ts keyword.operator.assignment.ts
+        ^
+        source.ts meta.var.expr.ts string.regexp.ts
+         ^
+         source.ts meta.var.expr.ts string.regexp.ts punctuation.definition.string.begin.ts
+          ^^^
+          source.ts meta.var.expr.ts string.regexp.ts
+             ^
+             source.ts meta.var.expr.ts string.regexp.ts constant.other.character-class.set.regexp punctuation.definition.character-class.regexp
+              ^
+              source.ts meta.var.expr.ts string.regexp.ts constant.other.character-class.set.regexp keyword.operator.negation.regexp
+               ^
+               source.ts meta.var.expr.ts string.regexp.ts constant.other.character-class.set.regexp punctuation.definition.character-class.regexp
+                ^^^
+                source.ts meta.var.expr.ts string.regexp.ts
+                   ^
+                   source.ts meta.var.expr.ts string.regexp.ts punctuation.definition.string.end.ts
+                    ^
+                    source.ts punctuation.terminator.statement.ts

tests/cases/Issue832.ts

@@ -0,0 +1,2 @@
+let a = /foo[]bar/;
+let b = /foo[^]bar/;