boost::urls::grammar::digit_chars
The set of decimal digits
Synopsis
Declared in header <boost/url/grammar/digit_chars.hpp>
constexpr
implementation-defined digit_chars = {};
Character sets are used with rules and the
functions find_if and find_if_not .
system::result< core::string_view > rv = parse( "2022", token_rule( digit_chars ) );
DIGIT = %x30-39
; 0-9
See Also
find_if , find_if_not , parse , token_rule .