Hi John and all,
You might want to look at AGRegex which is very compact (one class)
and which uses PCRE:
http://colloquy.info/project/browser/trunk/Frameworks/AGRegex
Of note, Colloquy appears to have switched to RegexKitLite itself:
http://svn.colloquy.info/project/changeset/4301
I did notice that log entry, but thought it was never acted upon (ie
they are still using AGRegex).
RegexKitLite looks promising. It claims to only require you to add
the .h and .m file to your project and link to the libicucore.dylib
library.
The documentation notes: "Warning: Apple does not officially support
linking to the libicucore.dylib library." In reality, how worried
should I be about this? I am amazed that Cocoa doesn't provide regex
itself. Surely Apple must provide or recommend something to do the job.
As quoted earlier:
Unfortunately, RegexKit Lite (the stripped-down version) uses the
built-in ICU library which uses a syntax quite different to the
PCRE that most people are used to.
At first glance through the "ICU Syntax" documentation included with
RegexKitLite, it appears the same as what I'm used to. At least it
supports \s for whitespace, \w for words, (?=...) for look ahead. I
did, however, discover:
Single Quote
Two single quotes represent a single quote, either inside or outside
single quotes. Text within single quotes is not interpreted in any
way, except for two adjacent single quotes. It is taken as literal
text— special characters become non-special. These quoting
conventions for ICU character classes differ from those of Perl or
Java. In those environments, single quotes have no special meaning,
and are treated like any other literal character.
I guess I can deal with that.
Has anyone discovered any other issues (or had successes) dealing with
ICU syntax in RegexKitLite and RegexKitLite in general?
Thanks,
Tom
BareFeet
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