<?php $test = "Test - test1"; $match = preg_replace('/(?<=^|[\x09\x20\x2D])./e', 'strtoupper("\0")', $test); var_dump($match); $match = preg_replace_callback('/(?<=^|[\x09\x20\x2D])./', function($matches) {return strtoupper($matches[0]);}, $test); var_dump($match);
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