iij / Mruby Regexp Pcre
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mruby-regexp-pcre
"mruby-regexp-pcre" is a regular expression module for mruby, based on PCRE. It provides Regexp and MatchData classes.
Requirements
none (libpcre is bundled).
Example
line = "#hoge"
/^#.*/ =~ line
csv = "a, b, c"
csv.split /,\s*/
kvs = "key: value"
m = /(\w+)\s*:\s*(\w*)/.match(kvs)
key, value = m[1], m[2]
Difference between PCRE and MRI Regexp
| MRI (CRuby) | PCRE | |
|---|---|---|
| \h | A hexdigit character ([0-9a-fA-F]) |
a horizontal white space character |
Test
If you have mruby source code and imported mruby-regexp-pcre as an mrbgem,
just run "rake test" to execute test scripts in test directory:
% cd mruby
% rake test
Or run run_test.rb to check out mruby source code into a temporary directory,
and run tests on it:
% cd mruby-regexp-pcre
% ruby run_test.rb test
% rm -rf tmp
Alternatives
If mruby-regexp-pcre does not meet your requirements, try mruby-onig-regexp. It consumes much more memory but has better compatibility with MRI.
- https://github.com/mattn/mruby-onig-regexp (Onigumo/Oniguruma)
Other alternatives:
- https://github.com/mattn/mruby-pcre-regexp (PCRE)
- https://github.com/masamitsu-murase/mruby-hs-regexp (Henry Spencer's)
License
Note: If you build your mruby with bundled PCRE (default), read the pcre/LICENCE file carefully.
This software (except for "pcre" directory) is distributed under the license terms below.
Copyright (c) 2013 Internet Initiative Japan Inc.
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.