This library supports full W3C XML Schema regular expressions inclusive all Unicode character sets and blocks. The complete grammar can be found under http://www.w3.org/TR/xmlschema11-2/#regexs. It is implemented by the technique of derivations of regular expressions. The W3C syntax is extended to support not only union of regular sets, but also intersection, set difference, exor. Matching of subexpressions is also supported. The library can be used for constricting lightweight scanners and tokenizers. It is a standalone library, no external regex libraries are used.
Binary packages can be installed with the high-level tool pkgin (which can be installed with pkg_add) or pkg_add(1) (installed by default). The NetBSD packages collection is also designed to permit easy installation from source.
The pkg_admin audit command locates any installed package which has been mentioned in security advisories as having vulnerabilities.
Please note the vulnerabilities database might not be fully accurate, and not every bug is exploitable with every configuration.
Problem reports, updates or suggestions for this package should be reported with send-pr.