On Monday 27 September 2010 12:21:51 hpant pant wrote:
> Hi ,
> can anyone explain me, how below code works ,dealing with nested patterns.
> i am not able to understand the ((?:(?!BEGIN)(?!END).)*) part.
>
> while (s/BEGIN((?:(?!BEGIN)(?!END).)*)END//gs) {
> # do something with $1
>
Hi ,
can anyone explain me, how below code works ,dealing with nested patterns. i
am not able to understand the ((?:(?!BEGIN)(?!END).)*) part.
while (s/BEGIN((?:(?!BEGIN)(?!END).)*)END//gs) {
# do something with $1
}
Thanks
HP
