preg_replace

PHP 4, PHP 5, PHP 7, PHP 8
preg_replace - Perform a regular expression search and replace

Example #1 Using backreferences followed by numeric literals

Result: April1,2003
<?php
$string = 'April 15, 2003';
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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PHP Version:

Example #2 Using indexed arrays with preg_replace

Result: The bear black slow jumps over the lazy dog.
<?php
$string = 'The quick brown fox jumps over the lazy dog.';
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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PHP Version:

Example #3 Replacing several values

Result: $startDate = 5/27/1999
<?php
$patterns = array ('/(19|20)(\d{2})-(\d{1,2})-(\d{1,2})/',
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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PHP Version:

Example #4 Strip whitespace

<?php
$str = 'foo o';
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PHP Version:

Example #5 Using the <span class='function-parameter'>count</span> parameter

Result: xp***to 3
<?php
$count = 0;
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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PHP Version:


Example #6 of preg_replace

<?php
$pattern = array('/\d/', '/[a-z]/', '/[1a]/');
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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PHP Version:


Function preg_replace:

Regular Expressions (Perl-Compatible) Functions

Most used PHP functions