• Welcome to Arachno Python IDE
  • Installation
    • System Requirements
      • Hardware Requirements
      • Software Requirements
    • Download the Installer File
    • Windows XP, Windows Vista or Windows 7 Installation
    • Unix (Linux, Solaris, FreeBSD) Installation
      • Installation Tip for Paranoid System Administrators
      • Troubleshooting Installation Problems
    • MacOSX Installation
    • Upgrading to a new Version
    • Move the Program after Installation
    • Installation on an USB Stick
    • Uninstall
    • Location of the Data Files
  • License Key Handling
    • Obtaining a Trial License
    • Obtaining a License File
    • Activating a License File
  • Reporting Problems
    • Reporting Crashs
    • Location of the Crash Files
  • The User Interface
  • Projects
    • Simple Project Handling
    • Advanced Project Creation
      • Environment Variables in Project Paths
    • Open and Close a Project
      • Projects and Windows
    • Delete a Project
    • A Look Inside the Projects Handling
      • Moving the Root Directory of a Project
    • Environment Variables
  • Email Test Servers
    • Server Configuration
    • Email Server Window
      • POP3 Email Lists
      • Handling Messages in the List
    • Automated Unit Tests
    • Where is the data stored
  • Search and Replace
    • Simple Search/Replace in Current File
      • How to invoke the 'Simple Search'?
      • Simple Search/Replace Dialog
      • Replace Confirmation Dialog
    • Incremental Search
    • Power Search
      • a) Text Search Options
      • b) The File Options Page
      • c) The Syntax Highlighting Filter Page
      • Named Searches
    • Lookup Selection Search
    • Highlight Search
      • Configure Highlight Dialog
    • Search Result Toolpane
    • Grep Toolpane
      • Match Mode
      • Count Mode
      • Collect Mode
  • PCRE - Perl Compatibel Regular Expressions
    • Introduction
      • Limitations
      • Author
    • PCRE Matching Algorithm
    • PCRE Pattern
      • Newline Conventions
      • Characters and Metacharacters
      • Backslash
      • Circumflex and Dollar
      • Full Stop (Period, Dot)
      • Matching a Single Byte
      • Square Brackets and Character Classes
      • POSIX Character Classes
      • Vertical Bar
      • Internal Option Setting
      • Subpatterns
      • Duplicate Subpattern Numbers
      • Named Subpatterns
      • Repetition
      • Atomic grouping and possessive Quantifiers
      • Back References
      • Assertions
      • Conditional Subpatterns
      • Comments
      • Recursive Patterns
      • Subpatterns as Subroutines
    • PCRE Syntax
      • PCRE Regular Expression Syntax Summary
      • Quoting
      • Characters
      • Character Types
      • General Category Property Codes for \p and \P
      • Script Names for \p AND \P
      • Character Classes
      • Quantifiers
      • Anchors and Simple Assertions
      • Match Point Reset
      • Alternation
      • Capturing
      • Atomic Groups
      • Comment
      • Option Setting
      • Lookahead and Lookbehind Assertions
      • Backreferences
      • Subroutine References (Possibly Recursive)
      • Conditional Patterns
      • Backtracking Control
      • Newline Conventions
      • What \R Matches
      • Callouts
    • PCRE Performance
    • Differences Between PCRE and Perl