basic_regex() [3/8]

template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>>

std::basic_regex< _Ch_type, _Rx_traits >::basic_regex ( const _Ch_type * __p, std::size_t __len, flag_type __f = ECMAScript )

inline

Constructs a basic regular expression from the sequence [p, p + len) interpreted according to the flags in f.

Parameters

__p	A pointer to the start of a string containing a regular expression.
__len	The length of the string containing the regular expression.
__f	Flags indicating the syntax rules and options.

Exceptions

regex_error

if __p is not a valid regular expression.

Definition at line 509 of file regex.h.

      {
      __glibcxx_requires_string_len(__p, __len);
      _M_compile(__p, __p + __len, __f);
      }