RegExRX

RegExRX is a regular expression editor with many features designed to help in the development and storage of regular expressions.

Based on the PCRE library, RegExRX will allow a user to craft patterns that are compatible with most regular expression flavors and will let them easily copy those patterns to and from other languages like Perl, Ruby, PHP, Objective-C, JavaScript, AppleScript, 4D, and Xojo.