Re: Regexp Question

[Paul]

--- Carl Rogers <[EMAIL PROTECTED]> wrote:
> Not having Perl up and running, would this work with the
> parenthesis??
>   $temp = ~ m/PT[\(]*(\w+)[\)]*/;
>   $value = $1;
> I'm sure there is a one-line answer, but I'm too new to know.
> 
> At 05:13 PM 5/10/2001 -0400, Gross, Stephan wrote:
> >I want to match the following:
> >1) the letters "PT"
> >2) a space or nothing
> >3) a word that may or may not be in parentheses or even not exist
> >and return item #3 (which may be null)
> >Example:
> >PT (XYZ) or PT XYZ or PTXYZ or PT
> >should return "XYZ" except the last case, which should return "".
> >
> >I can do everything except the parentheses case.  Any ideas?

my($ans) = $temp =~ /PT\s?\(?(\w*)/;

\s? is zero-or-one whitespace character
\(? is zero-or-one left paren
\w* is zero-or-more "word" characters (letters,numerals,underscores)

$ans has parens around it to give the match assignment a list context,
so that it returns the pattern matched. =o)

=====
print "Just another Perl Hacker\n"; # edited for readability =o)
=============================================================
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 The opposite of a trival truth is obviously false.
 The opposite of a great Truth is also true."  -- Neils Bohr

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