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PHP : Function Reference : Regular Expression Functions (Perl-Compatible) : preg_grep

preg_grep

Return array entries that match the pattern (PHP 4, PHP 5)
array preg_grep ( string pattern, array input [, int flags] )

Example 1715. preg_grep() example

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<?php
// return all array elements

// containing floating point numbers
$fl_array = preg_grep("/^(\d+)?\.\d+$/", $array);
?>

Code Examples / Notes » preg_grep

moe

<?php /* count non-empty strings in array */ function count_filled($a=array()){ return count($c=preg_grep("%[\S]%",$a)); } ?>

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Pattern Modifiers
Pattern Syntax
preg_grep
preg_last_error
preg_match_all
preg_match
preg_quote
preg_replace_callback
preg_replace
preg_split

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