std::regex_error(3) Library Functions Manual std::regex_error(3)NAME
std::regex_error -
SYNOPSIS
Inherits std::runtime_error.
Public Member Functions
regex_error (regex_constants::error_type __ecode)
regex_constants::error_type code () const
virtual const char * what () const noexcept
Detailed Description
A regular expression exception class.
The regular expression library throws objects of this class on error.
Definition at line 136 of file regex_error.h.
Constructor &; Destructor Documentation
std::regex_error::regex_error (regex_constants::error_type__ecode) [explicit]
Constructs a regex_error object.
Parameters:
__ecode the regex error code.
Member Function Documentation
regex_constants::error_type std::regex_error::code () const [inline]
Gets the regex error code.
Returns:
the regex error code.
Definition at line 157 of file regex_error.h.
virtual const char* std::runtime_error::what () const [virtual], [noexcept], [inherited]
Returns a C-style character string describing the general cause of the current error (the same string passed to the ctor).
Reimplemented from std::exception.
Author
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libstdc++ Tue Jun 10 2014 std::regex_error(3)
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std::sub_match< _BiIter >(3) Library Functions Manual std::sub_match< _BiIter >(3)
NAME
std::sub_match< _BiIter > -
SYNOPSIS
Inherits std::pair< _BiIter, _BiIter >.
Public Types
typedef
__iter_traits::difference_type difference_type"
typedef _BiIter first_type
typedef _BiIter iterator
typedef _BiIter second_type
typedef std::basic_string
< value_type > string_type"
typedef __iter_traits::value_type value_type
Public Member Functions
int compare (const sub_match &__s) const
int compare (const string_type &__s) const
int compare (const value_type *__s) const
difference_type length () const
void && noexcept (swap(second, __p.second)))
operator string_type () const
string_type str () const
Public Attributes
_BiIter first
bool matched
_BiIter second
Detailed Description
template<typename _BiIter>class std::sub_match< _BiIter >
A sequence of characters matched by a particular marked sub-expression.
An object of this class is essentially a pair of iterators marking a matched subexpression within a regular expression pattern match. Such
objects can be converted to and compared with std::basic_string objects of a similar base character type as the pattern matched by the
regular expression.
The iterators that make up the pair are the usual half-open interval referencing the actual original pattern matched.
Definition at line 741 of file regex.h.
Member Typedef Documentation
typedef _BiIter std::pair< _BiIter , _BiIter >::second_type [inherited]
first_type is the first bound type
Definition at line 99 of file stl_pair.h.
Member Function Documentation
template<typename _BiIter> int std::sub_match< _BiIter >::compare (const sub_match< _BiIter > &__s) const [inline]
Compares this and another matched sequence.
Parameters:
__s Another matched sequence to compare to this one.
Return values:
<0 this matched sequence will collate before __s.
=0 this matched sequence is equivalent to __s.
<0 this matched sequence will collate after __s.
Definition at line 802 of file regex.h.
Referenced by std::operator!=(), std::operator<(), std::operator<=(), std::operator==(), std::operator>(), and std::operator>=().
template<typename _BiIter> int std::sub_match< _BiIter >::compare (const string_type &__s) const [inline]
Compares this sub_match to a string.
Parameters:
__s A string to compare to this sub_match.
Return values:
<0 this matched sequence will collate before __s.
=0 this matched sequence is equivalent to __s.
<0 this matched sequence will collate after __s.
Definition at line 815 of file regex.h.
template<typename _BiIter> int std::sub_match< _BiIter >::compare (const value_type *__s) const [inline]
Compares this sub_match to a C-style string.
Parameters:
__s A C-style string to compare to this sub_match.
Return values:
<0 this matched sequence will collate before __s.
=0 this matched sequence is equivalent to __s.
<0 this matched sequence will collate after __s.
Definition at line 828 of file regex.h.
template<typename _BiIter> difference_type std::sub_match< _BiIter >::length () const [inline]
Gets the length of the matching sequence.
Definition at line 759 of file regex.h.
template<typename _BiIter> std::sub_match< _BiIter >::operator string_type () const [inline]
Gets the matching sequence as a string.
Returns:
the matching sequence as a string.
This is the implicit conversion operator. It is identical to the str() member function except that it will want to pop up in unexpected
places and cause a great deal of confusion and cursing from the unwary.
Definition at line 772 of file regex.h.
template<typename _BiIter> string_type std::sub_match< _BiIter >::str () const [inline]
Gets the matching sequence as a string.
Returns:
the matching sequence as a string.
Definition at line 785 of file regex.h.
Referenced by std::sub_match< _Bi_iter >::compare(), and std::operator<<().
Member Data Documentation
_BiIter std::pair< _BiIter , _BiIter >::first [inherited]
second_type is the second bound type
Definition at line 101 of file stl_pair.h.
Referenced by std::sub_match< _Bi_iter >::length(), std::sub_match< _Bi_iter >::operator string_type(), and std::sub_match< _Bi_iter
>::str().
_BiIter std::pair< _BiIter , _BiIter >::second [inherited]
first is a copy of the first object
Definition at line 102 of file stl_pair.h.
Referenced by std::sub_match< _Bi_iter >::length(), std::sub_match< _Bi_iter >::operator string_type(), and std::sub_match< _Bi_iter
>::str().
Author
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libstdc++ Tue Jun 10 2014 std::sub_match< _BiIter >(3)