in reply to Re^2: Simple regex question. Grouping with a negative lookahead assertion.
in thread Simple regex question. Grouping with a negative lookahead assertion.
I was also trying to prevent any characters that were not in the following character class, [acgt], from being included in the match.
Is that a possibility? If so, then substitute that for . in my regex. (S'not rocket science.)
But, if it is a possibility, then you could (should) have included a non-acgt character in your example.
And if the example you provided is realistic, then using [acgt] is redundant, because your example consists entirely of those characters.
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