Issue 6883 - Use filterToRegExp in lib/filterClasses.js

lib/filterClasses.js

Index: lib/filterClasses.js
===================================================================
--- a/lib/filterClasses.js
+++ b/lib/filterClasses.js
@@ -224,21 +224,16 @@
     else
       options[i] = option.replace(/ +/g, "");
   }
 
   return beforeOptions + "$" + options.join();
 };
 
 /**
- * @see filterToRegExp
- */
-Filter.toRegExp = filterToRegExp;
-
-/**
  * Class for invalid filters
  * @param {string} text see {@link Filter Filter()}
  * @param {string} reason Reason why this filter is invalid
  * @constructor
  * @augments Filter
  */
 function InvalidFilter(text, reason)
 {
@@ -648,17 +643,17 @@
    */
   regexpSource: null,
   /**
    * Regular expression to be used when testing against this filter
    * @type {RegExp}
    */
   get regexp()
   {
-    let source = Filter.toRegExp(this.regexpSource);
+    let source = filterToRegExp(this.regexpSource);
     let regexp = new RegExp(source, this.matchCase ? "" : "i");
     Object.defineProperty(this, "regexp", {value: regexp});
     this.regexpSource = null;
     return regexp;
   },
   /**
    * Content types the filter applies to, combination of values from
    * RegExpFilter.typeMap