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Resources -> Tools -> The Regex Coach

The Regex Coach

Free download from Edi Weitz

Regular Expressions (Regex) are used in many languages, such as Perl and Tcl as well as being a key component of many UNIX utilities. Regex's are extremely good at handling complex and repetitive string manipulation tasks, but the syntax can be difficult to master. The Regex Coach is a great interactive application to help learn, create and debug regex's.

Copy your Regex into one pane and the target string into the other. The Regex Coach checks the regex for syntax errors and if OK, highlights the substring found:-

Click the scan button to advance through the target string and highlight each match in turn:-

Highlight individual terms in the Regex to see the corresponding section of the target string:-

Highlight individual terms in the Regex and select the info tab to see a description:-

Pros

  • Free!
  • Windows and *NIX executables available
  • Many more great features to help debug Regex's

Cons

  • Not much help to learn Regex's from scratch, but a great tool to build on existing knowledge
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