From: ivowel <ivowel@...>
Date: 2009-01-24T10:03:08+09:00
Subject: Re: regex extension to handle matching parens?


thank you, rob.  great reference.  now I know that it can be done.
alas, this doc is a little over my head.  can someone who has used
this construct possibly please show me how I would try it on my simple
example?

  sample = " \caption{my table \label{table-label} example: $\sqrt{2+
\sqrt{2}}$} more here {}"


accomplishing this is actually not ugly at all in perl:

  use Regexp::Common;
  my $matchingarg = qr/$RE{balanced}{-parens=>'{ }'})/;
  /\\caption$matchingarg/;
  print "The \\caption argument is $1\n";

of course, perl is ugly in many other respects, but here, it does
nicely.

regards, /iaw