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