But... \w will match any "word character", which is defined as "alphanumeric plus '_'", so that regex will match '2_4' and '234' as well as '2A4'.

You'd need either /\d[a-zA-Z]\d+/ or /\d[:alpha:]\d+/.

In reply to Re: Re: Comparing lower to upper case by jsprat
in thread Comparing lower to upper case by bobothesmart

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