Manpages - std_sub_match.3

typedef __iter_traits::difference_type difference_type

typedef _BiIter first_type
The type of the first member.

typedef _BiIter iterator

typedef _BiIter second_type
The type of the second member.

typedef basic_string*< value_type > *string_type

typedef __iter_traits::value_type value_type

int compare (const sub_match &__s) const
Compares this and another matched sequence.

difference_type length () const noexcept
Gets the length of the matching sequence.

operator string_type () const
Gets the matching sequence as a string.

string_type str () const
Gets the matching sequence as a string.

constexpr void swap (pair &__p) noexcept(__and_< __is_nothrow_swappable< _BiIter >, __is_nothrow_swappable< _BiIter > >::value)
Swap the first members and then the second members.

int compare (const string_type &__s) const
Compares this sub_match to a string.

int compare (const value_type *__s) const
Compares this sub_match to a string.

_BiIter first
The first member.

bool matched

_BiIter second
The second member.

(Note that these are not member functions.)

constexpr pair*< typename __decay_and_strip< _BiIter >::__type, typename __decay_and_strip< _BiIter >::__type > *make_pair (_BiIter &&__x, _BiIter &&__y)
A convenience wrapper for creating a pair from two objects.

template<typename _BiIter > bool operator== (const *sub_match*< _BiIter > &__lhs, const *sub_match*< _BiIter > &__rhs)
Tests the equivalence of two regular expression submatches.

template<typename _BiIter > bool operator!= (const *sub_match*< _BiIter > &__lhs, const *sub_match*< _BiIter > &__rhs)
Tests the inequivalence of two regular expression submatches.

template<typename _BiIter > bool operator< (const *sub_match*< _BiIter > &__lhs, const *sub_match*< _BiIter > &__rhs)
Tests the ordering of two regular expression submatches.

template<typename _BiIter > bool operator<= (const *sub_match*< _BiIter > &__lhs, const *sub_match*< _BiIter > &__rhs)
Tests the ordering of two regular expression submatches.

template<typename _BiIter > bool operator>= (const *sub_match*< _BiIter > &__lhs, const *sub_match*< _BiIter > &__rhs)
Tests the ordering of two regular expression submatches.

template<typename _BiIter > bool operator> (const *sub_match*< _BiIter > &__lhs, const *sub_match*< _BiIter > &__rhs)
Tests the ordering of two regular expression submatches.

template<typename _Bi_iter , typename _Ch_traits , typename _Ch_alloc > bool operator== (const __sub_match_string< _Bi_iter, _Ch_traits, _Ch_alloc > &__lhs, const *sub_match*< _Bi_iter > &__rhs)
Tests the equivalence of a string and a regular expression submatch.

template<typename _Bi_iter , typename _Ch_traits , typename _Ch_alloc > bool operator!= (const __sub_match_string< _Bi_iter, _Ch_traits, _Ch_alloc > &__lhs, const *sub_match*< _Bi_iter > &__rhs)
Tests the inequivalence of a string and a regular expression submatch.

template<typename _Bi_iter , typename _Ch_traits , typename _Ch_alloc > bool operator< (const __sub_match_string< _Bi_iter, _Ch_traits, _Ch_alloc > &__lhs, const *sub_match*< _Bi_iter > &__rhs)
Tests the ordering of a string and a regular expression submatch.

template<typename _Bi_iter , typename _Ch_traits , typename _Ch_alloc > bool operator> (const __sub_match_string< _Bi_iter, _Ch_traits, _Ch_alloc > &__lhs, const *sub_match*< _Bi_iter > &__rhs)
Tests the ordering of a string and a regular expression submatch.

template<typename _Bi_iter , typename _Ch_traits , typename _Ch_alloc > bool operator>= (const __sub_match_string< _Bi_iter, _Ch_traits, _Ch_alloc > &__lhs, const *sub_match*< _Bi_iter > &__rhs)
Tests the ordering of a string and a regular expression submatch.

template<typename _Bi_iter , typename _Ch_traits , typename _Ch_alloc > bool operator<= (const __sub_match_string< _Bi_iter, _Ch_traits, _Ch_alloc > &__lhs, const *sub_match*< _Bi_iter > &__rhs)
Tests the ordering of a string and a regular expression submatch.

template<typename _Bi_iter , typename _Ch_traits , typename _Ch_alloc > bool operator== (const *sub_match*< _Bi_iter > &__lhs, const __sub_match_string< _Bi_iter, _Ch_traits, _Ch_alloc > &__rhs)
Tests the equivalence of a regular expression submatch and a string.

template<typename _Bi_iter , typename _Ch_traits , typename _Ch_alloc > bool operator!= (const *sub_match*< _Bi_iter > &__lhs, const __sub_match_string< _Bi_iter, _Ch_traits, _Ch_alloc > &__rhs)
Tests the inequivalence of a regular expression submatch and a string.

template<typename _Bi_iter , typename _Ch_traits , typename _Ch_alloc > bool operator< (const *sub_match*< _Bi_iter > &__lhs, const __sub_match_string< _Bi_iter, _Ch_traits, _Ch_alloc > &__rhs)
Tests the ordering of a regular expression submatch and a string.

template<typename _Bi_iter , typename _Ch_traits , typename _Ch_alloc > bool operator> (const *sub_match*< _Bi_iter > &__lhs, const __sub_match_string< _Bi_iter, _Ch_traits, _Ch_alloc > &__rhs)
Tests the ordering of a regular expression submatch and a string.

template<typename _Bi_iter , typename _Ch_traits , typename _Ch_alloc > bool operator>= (const *sub_match*< _Bi_iter > &__lhs, const __sub_match_string< _Bi_iter, _Ch_traits, _Ch_alloc > &__rhs)
Tests the ordering of a regular expression submatch and a string.

template<typename _Bi_iter , typename _Ch_traits , typename _Ch_alloc > bool operator<= (const *sub_match*< _Bi_iter > &__lhs, const __sub_match_string< _Bi_iter, _Ch_traits, _Ch_alloc > &__rhs)
Tests the ordering of a regular expression submatch and a string.

template<typename _Bi_iter > bool operator== (typename *iterator_traits*< _Bi_iter >::value_type const *__lhs, const *sub_match*< _Bi_iter > &__rhs)
Tests the equivalence of a C string and a regular expression submatch.

template<typename _Bi_iter > bool operator!= (typename *iterator_traits*< _Bi_iter >::value_type const *__lhs, const *sub_match*< _Bi_iter > &__rhs)
Tests the inequivalence of a C string and a regular expression submatch.

template<typename _Bi_iter > bool operator< (typename *iterator_traits*< _Bi_iter >::value_type const *__lhs, const *sub_match*< _Bi_iter > &__rhs)
Tests the ordering of a C string and a regular expression submatch.

template<typename _Bi_iter > bool operator> (typename *iterator_traits*< _Bi_iter >::value_type const *__lhs, const *sub_match*< _Bi_iter > &__rhs)
Tests the ordering of a C string and a regular expression submatch.

template<typename _Bi_iter > bool operator>= (typename *iterator_traits*< _Bi_iter >::value_type const *__lhs, const *sub_match*< _Bi_iter > &__rhs)
Tests the ordering of a C string and a regular expression submatch.

template<typename _Bi_iter > bool operator<= (typename *iterator_traits*< _Bi_iter >::value_type const *__lhs, const *sub_match*< _Bi_iter > &__rhs)
Tests the ordering of a C string and a regular expression submatch.

template<typename _Bi_iter > bool operator== (const *sub_match*< _Bi_iter > &__lhs, typename *iterator_traits*< _Bi_iter >::value_type const *__rhs)
Tests the equivalence of a regular expression submatch and a C string.

template<typename _Bi_iter > bool operator!= (const *sub_match*< _Bi_iter > &__lhs, typename *iterator_traits*< _Bi_iter >::value_type const *__rhs)
Tests the inequivalence of a regular expression submatch and a string.

template<typename _Bi_iter > bool operator< (const *sub_match*< _Bi_iter > &__lhs, typename *iterator_traits*< _Bi_iter >::value_type const *__rhs)
Tests the ordering of a regular expression submatch and a C string.

template<typename _Bi_iter > bool operator> (const *sub_match*< _Bi_iter > &__lhs, typename *iterator_traits*< _Bi_iter >::value_type const *__rhs)
Tests the ordering of a regular expression submatch and a C string.

template<typename _Bi_iter > bool operator>= (const *sub_match*< _Bi_iter > &__lhs, typename *iterator_traits*< _Bi_iter >::value_type const *__rhs)
Tests the ordering of a regular expression submatch and a C string.

template<typename _Bi_iter > bool operator<= (const *sub_match*< _Bi_iter > &__lhs, typename *iterator_traits*< _Bi_iter >::value_type const *__rhs)
Tests the ordering of a regular expression submatch and a C string.

template<typename _Bi_iter > bool operator== (typename *iterator_traits*< _Bi_iter >::value_type const &__lhs, const *sub_match*< _Bi_iter > &__rhs)
Tests the equivalence of a character and a regular expression submatch.

template<typename _Bi_iter > bool operator!= (typename *iterator_traits*< _Bi_iter >::value_type const &__lhs, const *sub_match*< _Bi_iter > &__rhs)
Tests the inequivalence of a character and a regular expression submatch.

template<typename _Bi_iter > bool operator< (typename *iterator_traits*< _Bi_iter >::value_type const &__lhs, const *sub_match*< _Bi_iter > &__rhs)
Tests the ordering of a character and a regular expression submatch.

template<typename _Bi_iter > bool operator> (typename *iterator_traits*< _Bi_iter >::value_type const &__lhs, const *sub_match*< _Bi_iter > &__rhs)
Tests the ordering of a character and a regular expression submatch.

template<typename _Bi_iter > bool operator>= (typename *iterator_traits*< _Bi_iter >::value_type const &__lhs, const *sub_match*< _Bi_iter > &__rhs)
Tests the ordering of a character and a regular expression submatch.

template<typename _Bi_iter > bool operator<= (typename *iterator_traits*< _Bi_iter >::value_type const &__lhs, const *sub_match*< _Bi_iter > &__rhs)
Tests the ordering of a character and a regular expression submatch.

template<typename _Bi_iter > bool operator== (const *sub_match*< _Bi_iter > &__lhs, typename *iterator_traits*< _Bi_iter >::value_type const &__rhs)
Tests the equivalence of a regular expression submatch and a character.

template<typename _Bi_iter > bool operator!= (const *sub_match*< _Bi_iter > &__lhs, typename *iterator_traits*< _Bi_iter >::value_type const &__rhs)
Tests the inequivalence of a regular expression submatch and a character.

template<typename _Bi_iter > bool operator< (const *sub_match*< _Bi_iter > &__lhs, typename *iterator_traits*< _Bi_iter >::value_type const &__rhs)
Tests the ordering of a regular expression submatch and a character.

template<typename _Bi_iter > bool operator> (const *sub_match*< _Bi_iter > &__lhs, typename *iterator_traits*< _Bi_iter >::value_type const &__rhs)
Tests the ordering of a regular expression submatch and a character.

template<typename _Bi_iter > bool operator>= (const *sub_match*< _Bi_iter > &__lhs, typename *iterator_traits*< _Bi_iter >::value_type const &__rhs)
Tests the ordering of a regular expression submatch and a character.

template<typename _Bi_iter > bool operator<= (const *sub_match*< _Bi_iter > &__lhs, typename *iterator_traits*< _Bi_iter >::value_type const &__rhs)
Tests the ordering of a regular expression submatch and a character.

template<typename _Ch_type , typename _Ch_traits , typename _Bi_iter > basic_ostream*< _Ch_type, _Ch_traits > & *operator<< (*basic_ostream*< _Ch_type, _Ch_traits > &__os, const *sub_match*< _Bi_iter > &__m)
Inserts a matched string into an output stream.

constexpr enable_if*< __and_< __is_swappable< _BiIter >, __is_swappable< _BiIter > >::value >::type *swap (*pair*< _BiIter, _BiIter > &__x, *pair*< _BiIter, _BiIter > &__y) noexcept(noexcept(__x.swap(__y)))

constexpr bool operator== (const *pair*< _BiIter, _BiIter > &__x, const *pair*< _BiIter, _BiIter > &__y)

constexpr bool operator< (const *pair*< _BiIter, _BiIter > &__x, const *pair*< _BiIter, _BiIter > &__y)

constexpr bool operator!= (const *pair*< _BiIter, _BiIter > &__x, const *pair*< _BiIter, _BiIter > &__y)
Uses operator== to find the result.

constexpr bool operator> (const *pair*< _BiIter, _BiIter > &__x, const *pair*< _BiIter, _BiIter > &__y)
Uses operator< to find the result.

constexpr bool operator<= (const *pair*< _BiIter, _BiIter > &__x, const *pair*< _BiIter, _BiIter > &__y)
Uses operator< to find the result.

constexpr bool operator>= (const *pair*< _BiIter, _BiIter > &__x, const *pair*< _BiIter, _BiIter > &__y)
Uses operator< to find the result.

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 869 of file regex.h.

std::sub_match*< _BiIter >::difference_type Definition at line *875 of file regex.h.

>::*first_type*= [inherited]= The type of the first member.

Definition at line 214 of file stl_pair.h.

>::iterator Definition at line 876 of file regex.h.

>::*second_type*= [inherited]= The type of the second member.

Definition at line 215 of file stl_pair.h.

std::sub_match*< _BiIter >::*string_type Definition at line 877 of file regex.h.

std::sub_match*< _BiIter >::value_type Definition at line *874 of file regex.h.

>::*sub_match* ()= [inline]=, = [constexpr]=, = [noexcept]= Definition at line 881 of file regex.h.

(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

negative This matched sequence will collate before __s.
zero This matched sequence is equivalent to __s.
positive This matched sequence will collate after __s.

Definition at line 938 of file regex.h.

(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

negative This matched sequence will collate before __s.
zero This matched sequence is equivalent to __s.
positive This matched sequence will collate after __s.

Definition at line 924 of file regex.h.

Referenced by std::sub_match< _BiIter >::operator!=(), std::sub_match< _BiIter >::operator<(), std::sub_match< _BiIter >::operator<=(), std::sub_match< _BiIter >::operator==(), std::sub_match< _BiIter >::operator>(), and std::sub_match< _BiIter >::operator>=().

(const value_type * __s) const= [inline]= Compares this sub_match to a string.

Parameters

__s A string to compare to this sub_match.

Return values

negative This matched sequence will collate before __s.
zero This matched sequence is equivalent to __s.
positive This matched sequence will collate after __s.

Definition at line 942 of file regex.h.

>::length () const= [inline]=, = [noexcept]= Gets the length of the matching sequence.

Definition at line 885 of file regex.h.

References std::pair< _BiIter, _BiIter >::first, and std::pair< _BiIter, _BiIter >::second.

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 898 of file regex.h.

References std::sub_match< _BiIter >::str().

>::str () const= [inline]= Gets the matching sequence as a string.

Returns

the matching sequence as a string.

Definition at line 907 of file regex.h.

References std::pair< _BiIter, _BiIter >::first, and std::pair< _BiIter, _BiIter >::second.

Referenced by std::sub_match< _BiIter >::operator string_type().

_BiIter, _BiIter > & __p)= [inline]=, = [constexpr]=, = [noexcept]=, = [inherited]= Swap the first members and then the second members.

Definition at line 439 of file stl_pair.h.

typename __decay_and_strip< _BiIter >::__type > make_pair (_BiIter && __x, _BiIter && __y)= [related]= A convenience wrapper for creating a pair from two objects.

Parameters

__x The first object.
__y The second object.

Returns

A newly-constructed pair<> object of the appropriate type.

The C++98 standard says the objects are passed by reference-to-const, but C++03 says they are passed by value (this was LWG issue #181).

Since C++11 they have been passed by forwarding reference and then forwarded to the new members of the pair. To create a pair with a member of reference type, pass a reference_wrapper to this function.

Definition at line 567 of file stl_pair.h.

const *pair*< _BiIter , _BiIter > & __y)= [related]= Uses operator== to find the result.

Definition at line 496 of file stl_pair.h.

const *pair*< _BiIter , _BiIter > & __y)= [related]= Defines a lexicographical order for pairs.

For two pairs of the same type, P is ordered before Q if P.first is less than Q.first, or if P.first and Q.first are equivalent (neither is less than the other) and P.second is less than Q.second.

Definition at line 488 of file stl_pair.h.

const *pair*< _BiIter , _BiIter > & __y)= [related]= Uses operator< to find the result.

Definition at line 507 of file stl_pair.h.

const *pair*< _BiIter , _BiIter > & __y)= [related]= Two pairs of the same type are equal iff their members are equal.

Definition at line 466 of file stl_pair.h.

const *pair*< _BiIter , _BiIter > & __y)= [related]= Uses operator< to find the result.

Definition at line 502 of file stl_pair.h.

const *pair*< _BiIter , _BiIter > & __y)= [related]= Uses operator< to find the result.

Definition at line 514 of file stl_pair.h.

__is_swappable< _BiIter > >::value >::type swap (*pair*< _BiIter , _BiIter > & __x, *pair*< _BiIter , _BiIter > & __y)= [related]= Swap overload for pairs. Calls std::pair::swap().

Note

This std::swap overload is not declared in C++03 mode, which has performance implications, e.g. see https://gcc.gnu.org/PR38466

Definition at line 533 of file stl_pair.h.

The first member.

Definition at line 217 of file stl_pair.h.

Definition at line 879 of file regex.h.

The second member.

Definition at line 218 of file stl_pair.h.