I would suggest that you enclose the whole thing in the non-backtracking setup (?>pattern). Since if it doesn't match at first it won't match at all, you can speed up failure by enclosing the whole thing in (?> and ).


/^(?>a*b*c*...y*z*)$/

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In reply to Re: Re: Regexp for alphabetical order match within the string by jweed
in thread Regexp for alphabetical order match within the string by prostoalex

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