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@@ -425,6 +425,8 @@ There're also some great commercial libraries, like [amchart](http://www.amchart
 
 ## RegExp
 * [RegEx101](https://regex101.com/#javascript) - Online regex tester and debugger for JavaScript. Also supports Python, PHP and PCRE.
+* [RegExr](http://regexr.com) - HTML/JS based tool for creating, testing, and learning about Regular Expressions.
+* [RegExpBuilder](https://github.com/thebinarysearchtree/regexpbuilderjs) - Create regular expressions using chained methods.
 
 ## Media