note that the dot metacharacter matches any character (except newline, unless the  /s regex switch is used). if, instead, you want to check for the duplication of any letter, i.e., an alpha character, you might try  /(\w).*\1/ or  /([a-zA-Z]).*\1/.

In reply to Re: Recognizing duplicates by Anonymous Monk
in thread Recognizing duplicates by b4swine

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