Make regexp var name singular.

lodash.js

@@ -117,11 +117,9 @@
       reIsPlainProp = /^\w*$/,
       rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]/g;
 
-  /**
-   * Used to match `RegExp` [syntax characters](http://ecma-international.org/ecma-262/6.0/#sec-patterns).
-   */
-  var reRegExpChars = /[\\^$.*+?()[\]{}|]/g,
-      reHasRegExpChars = RegExp(reRegExpChars.source);
+  /** Used to match `RegExp` [syntax characters](http://ecma-international.org/ecma-262/6.0/#sec-patterns). */
+  var reRegExpChar = /[\\^$.*+?()[\]{}|]/g,
+      reHasRegExpChar = RegExp(reRegExpChar.source);
 
   /** Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks). */
   var reComboMark = /[\u0300-\u036f\ufe20-\ufe23]/g;
@@ -1319,7 +1317,7 @@
 
     /** Used to detect if a method is native. */
     var reIsNative = RegExp('^' +
-      fnToString.call(hasOwnProperty).replace(reRegExpChars, '\\$&')
+      fnToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
       .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
     );
 
@@ -10418,8 +10416,8 @@
      */
     function escapeRegExp(string) {
       string = baseToString(string);
-      return (string && reHasRegExpChars.test(string))
-        ? string.replace(reRegExpChars, '\\$&')
+      return (string && reHasRegExpChar.test(string))
+        ? string.replace(reRegExpChar, '\\$&')
         : string;
     }