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Re: Re: Re: Re: A complex recursive regex,help

by OM_Zen (Scribe)
on Feb 06, 2003 at 04:45 UTC ( [id://233063]=note: print w/replies, xml ) Need Help??


in reply to Re: Re: Re: A complex recursive regex,help
in thread A complex recursive regex,help

Hi ,

The cases where the xx appears last are clearly taken care of by your regex BrowserUk,the part I am not understanding is that you are saying that it will fall over if yout date containes any occurances of xx without |'s or x's on either side, please give an instance of this BrowserUk, in terms of data to facilitate the understanding as yoru regex is doing pretty good in all data strings

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Re: Re: Re: Re: Re: A complex recursive regex,help
by BrowserUk (Patriarch) on Feb 06, 2003 at 08:05 UTC

    An example where mine falls over, but I think tachyon's wouldn't. 

    $t = "xyxxy|xx|xy|xx|yy|yxxy xx x"
$t =~ s[(?<!x)(x)(x)(?!x)][$1 $2]g;

print $t
xyx xy|x x|xy|x x|yy|yx xy x x x

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