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