Re: weird regex question

If you use !$!, only $! get interpolated, not the entire expression. In your case, $!, in string context, will be the empty string. So, you end up with

/^.{!}(.{5})/
[download]

which is not going to match. If you want to interpolate the expression, use:

/^.{@{[!$!]}}(.{5})/
[download]

Comment on Re: weird regex question Select or Download Code

Replies are listed 'Best First'.
Re^2: weird regex question by Anonymous Monk on Apr 25, 2012 at 17:07 UTC
hmm kinda makes sense, so how would i do the 5?	[reply]
Re^3: weird regex question by JavaFan (Canon) on Apr 25, 2012 at 17:12 UTC
What do you mean, how would I do the 5?	[reply]
Re^4: weird regex question by Anonymous Monk on Apr 25, 2012 at 17:13 UTC
ohh nevermind i figured it out.. thanks :D	[reply]
Re^3: weird regex question by trizen (Hermit) on Apr 25, 2012 at 20:47 UTC
1 and 5 `my $string = "hello world"; print $string =~ /^.{@{[!$[]}}(.{${\($]<<$]>>$])}})/; # 'ello '` [download] or `print $]>>$?;`	[reply] [d/l] [select]