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