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Rémi Verschelde d8223ffa75 Welcome in 2017, dear changelog reader! 
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README.md
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regex.h Welcome in 2017, dear changelog reader! 2017-01-12 19:15:30 +01:00

README.md

NREX: Node RegEx

Build Status

** Version 0.2 **

Small node-based regular expression library. It only does text pattern matchhing, not replacement. To use add the files nrex.hpp, nrex.cpp and nrex_config.h to your project and follow the example:

nrex regex;
regex.compile("^(fo+)bar$");

nrex_result captures[regex.capture_size()];
if (regex.match("foobar", captures))
{
	std::cout << captures[0].start << std::endl;
	std::cout << captures[0].length << std::endl;
}

More details about its use is documented in nrex.hpp

Currently supported features:

  • Capturing () and non-capturing (?:) groups
  • Any character . (includes newlines)
  • Shorthand caracter classes \w\W\s\S\d\D
  • POSIX character classes such as [[:alnum:]]
  • Bracket expressions such as [A-Za-z]
  • Simple quantifiers ?, * and +
  • Range quantifiers {0,1}
  • Lazy (non-greedy) quantifiers *?
  • Begining ^ and end $ anchors
  • Word boundaries \b
  • Alternation |
  • ASCII \xFF code points
  • Unicode \uFFFF code points
  • Positive (?=) and negative (?!) lookahead
  • Positive (?<=) and negative (?<!) lookbehind (fixed length and no alternations)
  • Backreferences \1 and \g{1} (limited by default to 9 - can be unlimited)

License

Copyright (c) 2015-2016, Zher Huei Lee All rights reserved.

This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software.

Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.

  2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.

  3. This notice may not be removed or altered from any source distribution.

Changes

Version 0.2 (2016-08-04)

  • Fixed capturing groups matching to invalid results
  • Fixed parents of recursive quantifiers not expanding properly
  • Fixed LookAhead sometimes adding to result
  • More verbose unit testing

Version 0.1 (2015-12-04)

  • Initial release