unreserved_chars

The unreserved character set

Synopsis

const lut_chars unreserved_chars ;

Declared in file <boost/url/rfc/unreserved_chars.hpp> at line 44

Description

Example

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

system::result< decode_view > rv = grammar::parse( "Program%20Files", pct_encoded_rule( unreserved_chars ) );

BNF

unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~"

Specification

  • 2.3. Unreserved Characters (rfc3986)