Re: Match/Replace/Interpolate

I'd do the whole search-and-replace thing in one step instead of two steps:


$line =~ s!<gid=(\d+)>!<img src="PATH/TO/$1">!g;
[download]

I think the only problem with your approach is that it lacked the /g "global" modifier that replaces all occurrences within one line.

20060721 shmem spotted a missing > sign, thanks!

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Re^2: Match/Replace/Interpolate by toadi (Chaplain) on Jul 21, 2006 at 08:58 UTC
Hi Corion, thanks for the reply. What do the ! mean instead of the normal / in the regex? -- My opinions may have changed, but not the fact that I am right	[reply]
Re^3: Match/Replace/Interpolate by Corion (Patriarch) on Jul 21, 2006 at 09:01 UTC
The `!` are used as alternative delimiters, because you use `/` within the regular expression. This makes it easy to avoid the escaping of slashes. Instead of `\/`, I now can write `/` as it will not be recognized as the regex delimiter anymore. perlop has the section on Regexp Quote-like Operators which explains how this works.	[reply] [d/l] [select]
Re^3: Match/Replace/Interpolate by gellyfish (Monsignor) on Jul 21, 2006 at 09:01 UTC
They don't mean anything special, you can replace the '/' with any other character (or matching pairs of brackets) to improve readability and reduce the requirement for escaping of literal '/' characters in your expression. /J\	[reply]