Ruby/Oniguruma code block patches :: semicomplete.com

Sun, 16 Sep 2007

Ruby/Oniguruma code block patches

I love perl's (?{ code }) feature. I want it in other languages.

I spent some time on hacking this into ruby a few weeks ago. I finally got around to making patches.

In FreeBSD ports, I select to build Ruby 1.8.6 with oniguruma for the regex engine. After doing 'make configure' you can apply these patches:

I haven't tested this on other platforms, and it's not feature complete, but it's close.

Comments: 2 (view comments)
Tags: ruby, regular expressions, regexp, patches, hacking
Permalink: /geekery/ruby-oniguruma-codeblock-patches
posted at: 00:38

2 responses to 'Ruby/Oniguruma code block patches'

Dong posted at Sun Sep 30 15:18:50 2007...

Can you provide a link documenting the original Perl feature that this is modeled after? I've got a perl interpreter but I don't know how to use it well enough to decipher (?{ code }). TY

Jordan Sissel posted at Sun Sep 30 16:36:04 2007...

perldoc perlre, look for (?{ code })
"(?{ code })"
WARNING: This extended regular expression feature is considered
highly experimental, and may be changed or deleted without
notice.
etc...

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Sun, 16 Sep 2007