From Cppreference
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template<
class CharT
> class regex_traits;
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The regex_traits parameterizes behaviour of a regex.
[edit] Member types
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| Type
| Definition
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| char_type
| CharT
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| string_type
| A std::basic_string parameterized on CharT.
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| locale_type
| The locale used for localized behaviour in the regular expression.
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| char_class_type
| Represents a character classification and is capable of holding an implementation specific set returned by lookup_classname.
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[edit] Member functions
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| constructs the regex_traits object
(public member function)
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| gets the localized length of a string
(public member function)
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| returns its input
(public member function)
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| converts a character to lower case (if defined)
(public member function)
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| converts a string into a localized collation sequence
(public member function)
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| converts a string into a localized primary collation sequence
(public member function)
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| gets a collation element by name
(public member function)
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| gets a character class by name
(public member function)
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| indicates membership in a localized character class
(public member function)
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| translates a numeric digit into an integral value
(public member function)
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| sets the locale
(public member function)
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| gets the locale
(public member function)
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Specializations for char and wchar_t are defined.
