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Introduction »
PHP Manual
PCRE Patterns
Pattern Syntax
Pattern Syntax
Table of Contents
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
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