(PECL parle >= 0.5.1)
Parle\RLexer::insertMacro — Insert regex macro
public Parle\RLexer::insertMacro ( string $name , string $regex ) : void
Insert a regex macro, that can be later used as a shortcut and included in other regular expressions.
name
Name of the macros.
regex
Regular expression.
No value is returned.
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https://www.php.net/manual/en/parle-rlexer.insertmacro.php