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php/regex: allow dashes in this pattern

原文 2009-04-21 21:29:37 7 1 php/ regex

如何在这种模式下允许破折号？

$str = preg_replace ( "/[^a-z \d]/i", "", $str ) ;

1 answers

把它放在第一位。

$str = preg_replace ( "/[^-a-z \d]/i", "", $str ) ;

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