Global alpha
boost::xpressive::alpha — Matches an alphabetic character.
Synopsis
Description
The regex traits are used to determine which characters are alphabetic. To match any character that is not alphabetic, use ~alpha.
![[Note]](../../../../doc/src/images/note.png) |
Note |
alpha is equivalent to /[[:alpha:]]/ in perl. ~alpha is equivalent to /[[:^alpha:]]/ in perl. |