On Mon, Nov 16, 2009 at 2:03 PM, Shubhangi < shubhangi_shing...@persistent.co.in> wrote:
> Hi, > > Can anybody explain the extended constructs in regular expression with some > easy examples? > I searched about (?=..), (?:..) etc. I could find one liner description > (without examples). > I did not understand them completely. > > Can someone point me to useful document? > > Regards, > Shubhangi > > > > DISCLAIMER > ========== > This e-mail may contain privileged and confidential information which is > the property of Persistent Systems Ltd. It is intended only for the use of > the individual or entity to which it is addressed. If you are not the > intended recipient, you are not authorized to read, retain, copy, print, > distribute or use this message. If you have received this communication in > error, please notify the sender and delete all copies of this message. > Persistent Systems Ltd. does not accept any liability for virus infected > mails. > > -- > To unsubscribe, e-mail: beginners-unsubscr...@perl.org > For additional commands, e-mail: beginners-h...@perl.org > http://learn.perl.org/ > > > Hi Shubhangi, Personally I really like the following site for explanations when it comes to regular expressions. www.regular-expressions.info It contains an explanation about everything you might want to know about regular expression notation and has helped me greatly in understanding the art of building complex expressions. Hope that helps a bit... (for this particular question have a look at: http://www.regular-expressions.info/lookaround.html) Regards, Rob
