Searching a string for a pattern Perl-compatible Regular Expression functions

<?php

if (preg_match("/\|/",$query_string)) { // Search $query_string for a pipe

… your code here … // Do this if pipe was found

}

?>

Search a string for the presence of a pipe symbol

• Perform a regular expression match on a string.

• Return (true) if match was positive.

• The syntax for the pattern search closely resembles Perl.

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