PCRE Patterns

• PCRE regex syntax — Pattern Syntax
  • Introduction
  • Delimiters
  • Meta-characters
  • Escape sequences
  • Unicode character properties
  • Anchors
  • Dot
  • Character classes
  • Alternation
  • Internal option setting
  • Subpatterns
  • Repetition
  • Back references
  • Assertions
  • Once-only subpatterns
  • Conditional subpatterns
  • Comments
  • Recursive patterns
  • Performance
• Possible modifiers in regex patterns — Pattern Modifiers
• Differences From Perl — Perl Differences
• Differences from POSIX regex