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<?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);
Output for git.master, git.master_jit, rfc.property-hooks
Lorem ipsum, or lipsum as it is sometimes known, is dummy text used in <span style="color:red">laying out print, graphic</span> or web designs.

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