boost::urls::grammar::alpha_chars

The set of all letters

Synopsis

Declared in <boost/url/grammar/alpha_chars.hpp>

constexpr /* implementation-defined */ alpha_chars = alpha_chars{};
cpp

Description

Example

Character sets are used with rules and the functions find_if and find_if_not.

system::result< core::string_view > rv = parse( "JohnDoe", token_rule( alpha_chars ) );
cpp

BNF

ALPHA       = %x41-5A / %x61-7A
            ; A-Z / a-z
cpp

Specification

See Also

find_if, find_if_not, parse, token_rule.

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