30 Regular expressions library [re]

30.9 Class template sub_­match [re.submatch]

30.9.2 Non-member operators [re.submatch.op]

1
#
Let SM-CAT(I) be 
compare_three_way_result_t<basic_string<typename iterator_traits<I>::value_type>>
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template<class BiIter> bool operator==(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
2
#
Returns: lhs.compare(rhs) == 0.
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template<class BiIter> auto operator<=>(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
3
#
Returns: static_­cast<SM-CAT(BiIter)>(lhs.compare(rhs) <=> 0).
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template<class BiIter, class ST, class SA> bool operator==( const sub_match<BiIter>& lhs, const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs);
4
#
Returns: 
lhs.compare(typename sub_match<BiIter>::string_type(rhs.data(), rhs.size())) == 0
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template<class BiIter, class ST, class SA> auto operator<=>( const sub_match<BiIter>& lhs, const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs);
5
#
Returns: 
static_cast<SM-CAT(BiIter)>(lhs.compare(
    typename sub_match<BiIter>::string_type(rhs.data(), rhs.size()))
      <=> 0
    )
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template<class BiIter> bool operator==(const sub_match<BiIter>& lhs, const typename iterator_traits<BiIter>::value_type* rhs);
6
#
Returns: lhs.compare(rhs) == 0.
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template<class BiIter> auto operator<=>(const sub_match<BiIter>& lhs, const typename iterator_traits<BiIter>::value_type* rhs);
7
#
Returns: static_­cast<SM-CAT(BiIter)>(lhs.compare(rhs) <=> 0).
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template<class BiIter> bool operator==(const sub_match<BiIter>& lhs, const typename iterator_traits<BiIter>::value_type& rhs);
8
#
Returns: lhs.compare(typename sub_­match<BiIter>​::​string_­type(1, rhs)) == 0.
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template<class BiIter> auto operator<=>(const sub_match<BiIter>& lhs, const typename iterator_traits<BiIter>::value_type& rhs);
9
#
Returns: 
static_cast<SM-CAT(BiIter)>(lhs.compare(
    typename sub_match<BiIter>::string_type(1, rhs))
      <=> 0
    )
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template<class charT, class ST, class BiIter> basic_ostream<charT, ST>& operator<<(basic_ostream<charT, ST>& os, const sub_match<BiIter>& m);
10
#
Returns: os << m.str().