regex: Make some general tweaks#13863

Merged

bors merged 2 commits intorust-lang:masterfrom

huonw:re-tweaks

Apr 30, 2014

Commits on Apr 29, 2014

regex: remove the use of ~[] & some unnecessary ~'s.
huonw
committed

Commits on Apr 30, 2014

regex: General style tweaks.
huonw
committed