regex_constants Class

Namespace for regular expression flags.

namespace regex_constants {
  typedef T1 syntax_option_type;
  typedef T2 match_flag_type;
  typedef T3 error_type;
  }

Remarks

The namespace regex_constants encapsulates several flag types and their associated flag values.

Requirements

Header: <regex>

Namespace: std

See Also

Reference

<regex>

regex_constants Class