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Re: Find all strings containing "a" characters, that are not followed by "b" characters.

by bart (Canon)
on Dec 12, 2012 at 17:59 UTC ( #1008540=note: print w/ replies, xml ) Need Help??


in reply to Find all strings containing "a" characters, that are not followed by "b" characters.

Try

/a(?!b)/
with negative lookahead.

And yes, your regexp looks rather OK, except I would drop a few \b anchors:

/a\b|a[^b]/
or combined:
/a(\b|[^b])/
Will that do?


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Re^2: Find all strings containing "a" characters, that are not followed by "b" characters.
by Anonymous Monk on Dec 12, 2012 at 18:04 UTC
    immediately after, and anywhere after, not the same :)

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