Well, if we're micro-optimizing, then either we want to do this…

[AaEeIiOoUu][AaEeIiOoUu]

…instead of this…

[AaEeIiOoUu]{2}

…or we want to rewrite the program in C.

In reply to Re^3: Vowel search by Jim
in thread Vowel search by Noob@Perl

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