Beefy Boxes and Bandwidth Generously Provided by pair Networks
Welcome to the Monastery

Re^2: Regexp Confuzzelemt

by ikegami (Pope)
on Apr 28, 2007 at 02:37 UTC ( #612494=note: print w/replies, xml ) Need Help??

in reply to Re: Regexp Confuzzelemt
in thread Regexp Confuzzelemt

But it also matches "TTT" in "aaaaaaaa#TTT"

That's a difference you introduced. If you put the \? back in, it won't.
is equivalent to

The latter is safer. It's easy to introduced problems when using non-greedy quantifiers. They're not as resilient. For example, you can safely embed the greedy regexp in a larger regexp, but you can't safely embed the non-greedy regexp in a larger regexp.

Log In?

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://612494]
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others having an uproarious good time at the Monastery: (10)
As of 2016-10-21 13:29 GMT
Find Nodes?
    Voting Booth?
    How many different varieties (color, size, etc) of socks do you have in your sock drawer?

    Results (289 votes). Check out past polls.