Replacing \U And \L Usage With Java's Matcher.replaceAll() In ColdFusion 0 ▲ Ben Nadel 1 hour ago · Tech · hide · 0 comments Ben Nadel demonstrates how to replace the now-defunct "\U" and "\L" regular expression flags with the Matcher::replaceAll() closure in ColdFusion.... No comments yet. Log in to reply on the Fediverse. Comments will appear here.