Online PHP editor | refs for XrRLq

@ 2015-04-23T17:05:19Z

<?php

$tweet = "hello world #dontremoveme foobar http://example.com/#dontremoveme #remove #removeme #removeüäüö";
$res = preg_replace("/ #\p{L}+\b(?!\s+\p{L})/u", '', $tweet);
echo $res,"\n";