GoLang preg_grep

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PHP preg_grep

PHP original manual for preg_grep [ show | php.net ]

(PHP 4, PHP 5, PHP 7)

preg_grep — Return array entries that match the pattern

array preg_grep ( string $pattern , array $input [, int $flags = 0 ] )

Returns the array consisting of the elements of the input array that match the given pattern.

pattern: The pattern to search for, as a string.
input: The input array.
flags: If set to PREG_GREP_INVERT, this function returns the elements of the input array that do not match the given pattern.

Returns an array indexed using the keys from the input array.

Example #1 preg_grep() example


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