Also, "Mastering Regular EXpressions" - Orielly book gives real
nice insight about this.
I'm still learning PERL...Sigh!
~A
On Fri, 29 Oct 2004, Gunnar Hjalmarsson wrote:
> [EMAIL PROTECTED] wrote:
> > I have to write a code wherein I have to access each character in a
> > string and compare it with '-'
> >
> > $_ = $seq1[0];
> > while(/./g) {
> > if($1 eq '-') {
> > $res1[0] .= '-';
> > }
> > else {
> > $res1[0] = "A";
> > }
> > }
> >
> > I have initialised $_ with the string in which I have to search. Now I
> > know that the while loop will read each and every character in the
> > string. I just need to get that character read to make the comparison. I
> > know $1 doesnt work because it is not :) Where is the value returned or
> > how can I assign a variable the value of the condition in the while loop ?
>
> As Ajey showed, $1 does work provided that you use capturing
> parentheses, or you can use $& (but read the warning in "perldoc perlre"
> if you consider the latter).
>
> --
> Gunnar Hjalmarsson
> Email: http://www.gunnar.cc/cgi-bin/contact.pl
>
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