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
Example #2 Using indexed arrays with preg_replace
Result: The bear black slow jumps over the lazy dog.
Example #3 Replacing several values
Result: $startDate = 5/27/1999
Example #4 Strip whitespace
Example #5 Using the <span class='function-parameter'>count</span> parameter
Result: xp***to
3