PHP-Handbuch
Funktionsreferenz
Textverarbeitung
PCRE
PCRE-Suchmuster
PCRE regex syntax
Mögliche Modifikatoren in RegEx-Suchmustern
Differences From Perl
Differences from POSIX regex
PCRE-Suchmuster
Introduction
PCRE-Suchmuster
PHP-Handbuch
Pattern Syntax
Inhaltsverzeichnis
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