Online PHP editor | refs for UpspN

<?php $colours = array("Red", "Blue", "Green"); $string = "There are three Red and Green walls."; echo preg_replace("/" . implode("|", array_map(function($i) {return preg_quote($i, "/");}, $colours)) . "/", '%1%$0%2%', $string); echo "\n" . preg_replace("/\b(?:" . implode('|', $colours) . ")\b/", '%1%$0%2%', $string); $colours = array("Red", "Blue", "Green", "Blue jeans"); $string = "There are three Red and Green walls and Blue jeans."; rsort($colours, SORT_FLAG_CASE | SORT_STRING); echo "\n" . preg_replace("/" . implode("|", array_map(function($i) {return preg_quote($i, "/");}, $colours)) . "/", '%1%$0%2%',$string);