tmp/tmp2cuorc5c/{from.md → to.md}
RENAMED
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## Class template `sub_match` <a id="re.submatch">[[re.submatch]]</a>
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Class template `sub_match` denotes the sequence of characters matched by
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a particular marked sub-expression.
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``` cpp
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namespace std {
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string_type str() const;
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int compare(const sub_match& s) const;
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int compare(const string_type& s) const;
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int compare(const value_type* s) const;
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};
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}
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```
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### Members <a id="re.submatch.members">[[re.submatch.members]]</a>
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int compare(const value_type* s) const;
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```
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*Returns:* `str().compare(s)`.
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### Non-member operators <a id="re.submatch.op">[[re.submatch.op]]</a>
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Let `SM-CAT(I)` be
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``` cpp
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## Class template `sub_match` <a id="re.submatch">[[re.submatch]]</a>
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+
### General <a id="re.submatch.general">[[re.submatch.general]]</a>
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+
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Class template `sub_match` denotes the sequence of characters matched by
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a particular marked sub-expression.
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``` cpp
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namespace std {
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string_type str() const;
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int compare(const sub_match& s) const;
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int compare(const string_type& s) const;
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int compare(const value_type* s) const;
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+
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void swap(sub_match& s) noexcept(see below);
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};
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}
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```
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### Members <a id="re.submatch.members">[[re.submatch.members]]</a>
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int compare(const value_type* s) const;
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```
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*Returns:* `str().compare(s)`.
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``` cpp
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void swap(sub_match& s) noexcept(see below);
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```
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*Preconditions:* `BidirectionalIterator` meets the *Cpp17Swappable*
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requirements [[swappable.requirements]].
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*Effects:* Equivalent to:
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``` cpp
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this->pair<BidirectionalIterator, BidirectionalIterator>::swap(s);
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std::swap(matched, s.matched);
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```
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*Remarks:* The exception specification is equivalent to
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`is_nothrow_swappable_v<BidirectionalIterator>`.
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### Non-member operators <a id="re.submatch.op">[[re.submatch.op]]</a>
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Let `SM-CAT(I)` be
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``` cpp
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