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Perl: the Markov chain saw

Re: Regular expression

by Samy_rio (Vicar)
on Aug 27, 2007 at 09:33 UTC ( #635256=note: print w/replies, xml ) Need Help??

in reply to Regular expression

Hi Archana, try like this,

use strict; use warnings; my $str ='"Transcription factor" promoter DNA "Transcription factor" p +romoter DNA.'; my @str = split//, $str; my $fla = 1; for (@str){ if (($_ eq "\"") && $fla) { $fla = 0; }elsif (($_ eq "\"") && !($fla)){ $fla = 1; } $_ =~ s/ /\,/ if ($fla); } print join'',@str; __END__ Output: ------- "Transcription factor",promoter,DNA,"Transcription factor",promoter,DN +A.

TIMTOWTDI, we can achieve the expected output using RegExp as of below:

$str =~ s/((?:(?!\").)*)(\"[^\"]+\")((?:(?!\").)*)/ my $fi = $1;my $se = $2; my $th = $3; $fi =~ s| |\,|g;$th =~ s| |\,|g; "$fi$se$th"/egs;

Velusamy R.

eval"print uc\"\\c$_\""for split'','j)@,/6%@0%2,`e@3!-9v2)/@|6%,53!-9@2~j';

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Node Type: note [id://635256]
[Discipulus]: yes I can imagine marto but they dont take my opinion in consideration..
[marto]: I told our client this, they spent many years and lots of consultants to try and get it to do what they wanted. They're ditching it now
[Discipulus]: I hope at least a minimal implementation, in the middle of july i'll have the first introductional course..
Discipulus nemo profeta in patria..

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