Online PHP editor | refs for EVIDX

<?php $str1 ="Lorem ipsum, or lipsum as it is sometimes known, is dummy text used in laying out print, graphic or web designs."; $str2 = "laying out print, graphic"; $regex = preg_replace('/\s+/', '\s+', $str2); echo preg_replace("/$regex/iu", '<span style="color:red">$0</span>', $str1);