The Regulator is an advanced, free regular expressions testing and learning tool. It allows you to build and verify a regular expression against any text input, file or web, and displays matching, splitting or replacement results within an easy to understand, hierarchical tree.
Regex actions supported:
- Find multiple matches
- Replace text according to expression
- Split text according to expression
The Regulator is also integrated with RegexLib.com, a free regular expressions library, and helps finding ready-to-use regular expressions.
Download from here