![]() |
Home | Libraries | People | FAQ | More |
The set of all letters.
Defined in header <boost/url/grammar/alpha_chars.hpp>
constexpr implementation-defined alpha_chars;
Character sets are used with rules and the functions find_if
and find_if_not
.
system::result< core::string_view > rv = [link url.ref.boost__urls__grammar__parse `parse`]( "JohnDoe" , [link url.ref.boost__urls__grammar__token_rule `token_rule`]( [link url.ref.boost__urls__grammar__alpha_chars `alpha_chars`] ) );
ALPHA = %x41-5A / %x61-7A ; A-Z / a-z
find_if
,
find_if_not
,
parse
,
token_rule
.
Convenience header <boost/url/grammar.hpp>