Perhaps you should read perlre and see if a non-greedy modifier /[CSH][CSHL]+?/ helps? Or explicitly require that the last character isn't an L, /[CSH][CSHL]*[CSH]/g.

In reply to Re: Regexp: How to match in middle but not the ends? by Fletch
in thread Regexp: How to match in middle but not the ends? by cormanaz

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