Expresso ابزار رایگانی است که ساخت و آزمایش کد های regular expressions رو خیلی آسان میکنه: Expresso Regular Expression Development Tool * 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
