Andrew Gallant bc06024c7f Make ASCII classes consistent with other engines.
For example, the regex `[:upper:]` used to correspond to the `upper`
ASCII character class, but it now corresponds to the character class
containing the characters `:upper:`.

Forms like `[[:upper:][:blank:]]` are still accepted.

Fixes #175
2016-12-30 01:06:18 -05:00
..
2016-12-06 17:35:44 -05:00