Expresso ابزار رایگانی است که ساخت و آزمایش کد های regular expressions رو خیلی آسان میکنه:
http://www.ultrapico.com/Expresso.htm
دریافت برنامه
* Still free of charge!
* Build complex regular expressions by selecting components from a palette
* Test expressions against real or sample input data
* Display all matches in a tree structure, showing captured groups, and all captures within a group
* Build replacement strings and test the match and replace functionality
* Highlight matched text in the input data
* Test automatically for syntax errors
* Generate Visual Basic or C# code
* Save and restore data in a project file
* Maintain and expand a library of frequently used regular expressions
* Here are some of the additional features available in Expresso 2.x
* Expresso Analyzer interprets and diagrams a regular expression to aid in understanding and debugging
* Analyzer produces an English description of the expression that can be automatically incorporated into comments in the generated code
* Improvements to the user interface
* New "Partial Match" and "Exclude Match" enable testing selected portions of a regular expression to aid in debugging
* Code generation now supports Managed C++
* More extensive options for customizing the generated code
* Multithreaded operation allows interruption of time-consuming matches
* Performance tester for timing optimization
* Improvements and added features in the Expression Builder
* More extensive Help features
* Built-in regular expression tutorial
* Improvements to the Expression Library
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