Match a non-empty string of characters from a set.

Synopsis

Defined in header <boost/url/grammar/token_rule.hpp>

template<
    class CharSet>
constexpr implementation-defined
token_rule(
    CharSet cs);

Description

If there is no more input, the error code error::need_more is returned.

Value Type

using value_type = string_view;

Example

Rules are used with the function parse.

result< string_view > rv = parse( "abcdef", token_rule( alpha_chars ) );

BNF

token     = 1*( ch )

Parameters

See Also

alpha_chars, parse.

Convenience header <boost/url/grammar.hpp>