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PHP
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Pattern Syntax
Pattern Syntax -- Describes PCRE regex syntax
Description
Differences From Perl
Regular Expression Details
Introduction
Meta-characters
Part of a pattern that is in square brackets is called a "character class". In a character class the only meta- characters are:
The following sections describe the use of each of the 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
Předcházející
Domů
Další
Nahoru