Здравейте колеги,

случайно попаднах на един тоол за ползване/учене/ на regex и реших да го споделя, тъй като го намирам за исключително полезен. Напълно безплатно е. Казва се--> += линк  Expresso 

Ето част от функционалностите->

  • 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, C#, or C++ code
  • Save and restore data in a project file
  • Maintain and expand a library of frequently used regular expressions
  • Dramatically enhanced Analyzer
    • Analyzes and describes your regular expression in a tree structure
    • Updated continuously in a separate thread
    • Edit portions of your regular expression by selecting nodes in the Analyzer view
    • Immediate feedback on syntax errors
    • Highlight portions of your expression for partial matching
  • Rich new Builder and editing features
    • Easier to use Builder
    • Support for .NET 2.0 features like character class subtraction and new Unicode classes
    • Extensive editing capabilities via context menus in both text view and Analyzer view
    • Builder can be docked or undocked from the Main Expresso window
    • Full Undo/Redo capability
  • Additional New features
    • Line by line validation testing
    • Test the Regex.Split() method
    • Export match results to Excel, XML, etc.
    • Carriage return, line feed, and other invisible characters are visible in the search results
    • Drag and drop files and text
    • Insert arbitrary Unicode characters in sample text or regular expression
    • Code generation for the new C++/CLI syntax in addition to the old MC++
    • Code generation for Replacement String and templates for Replace(), Split(), Match() and other regex methods
    • Turn Tooltips on or off
    • Support for very long data files
    • Startup tips to guide new users
  • Improvements and additions to the Regex Library
  • Improvements to threading to allow reliable interruption of slow expression