<?php $string='aaaabbbaaaaaabbbb'; var_export(preg_split('/(.)\1*\K/', $string, 0, PREG_SPLIT_NO_EMPTY)); echo "\n\n"; $string='abbbaaaaaabbbb'; // lone leading character var_export(preg_split('/(.)\1*\K/', $string, 0, PREG_SPLIT_NO_EMPTY));
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Value for `_results` contains invalid data `array`