You can do this without an assertion by making the regex not greedy:

($match) = $str =~ /<sec>(.*?)<pg>/;

Try perldoc.com and look at the POD "perlre" for some information about lookaheads and behinds. They're neat, but a lot of times they can be avoided by rethinking what you're searching for.

In reply to Re: negative look ahead by delirium
in thread negative look ahead by prasadbabu

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