Yes, the library is definitely Perl Compatible Regular Expressions.
You can get the the C source, great documentation, and C++ wrappers from http://www.pcre.org
This is the library that PHP and Apache 2.0 (and several other programs) use for regular expressions.
Also, my book Regular Expression Pocket Reference is a companion to MRE and includes a chapter on PCRE. I own both editions of MRE and highly recommend the second edition. I think it's fair to say that Friedl taught me everything I know on this subject.
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Yes, the library is definitely Perl Compatible Regular Expressions.
You can get the the C source, great documentation, and C++ wrappers from http://www.pcre.org
This is the library that PHP and Apache 2.0 (and several other programs) use for regular expressions.
Also, my book Regular Expression Pocket Reference is a companion to MRE and includes a chapter on PCRE. I own both editions of MRE and highly recommend the second edition. I think it's fair to say that Friedl taught me everything I know on this subject.