RegExrv2.0

RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp).

• Results update in real-time as you type.
• Roll over a match or expression for details.
• Save & share expressions with others.
• Explore the Library for help & examples.
• Undo & Redo with Ctrl-Z / Y.
• Search for & rate Community patterns.

txt2re

knowing is obsolete :: regular expression generator (perl php python java javascript coldfusion c c++ ruby vb vbscript j# c# c++.net vb.net)