ENH: --regex to new regex (if installed)

[westurner]

• [ ] ENH: --regex to new regex (if installed)
  • [ ] ENH: rfc3987: port to new regex
  • [ ] ENH: --regexurl , --regexuri , --regexurn to rfc3986 URI/URL regex

regex

The new python regex is called regex (e.g. "new regex").

• | PyPI: https://pypi.python.org/pypi/regex
• | Src: https://bitbucket.org/mrabarnett/mrab-regex