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PHP Manual
PCRE-Suchmuster
Pattern Syntax
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