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Pattern Syntax
Pattern Syntax - - Describes PCRE regex syntax
Description
Differences From Perl
Regular Expression Details
Introduction
Meta-characters
backslash
Circumflex and dollar
FULL STOP
Square brackets
Vertical bar
Internal option setting
subpatterns
Repetition
BACK REFERENCES
Assertions
Once-only subpatterns
Conditional subpatterns
Comments
Recursive patterns
Performances
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