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std::regex_token_iterator< _Bi_iter, _Ch_type, _Rx_traits >(3) Library Functions Manual std::regex_token_iterator< _Bi_iter, _Ch_type, _Rx_traits >(3)

NAME

std::regex_token_iterator< _Bi_iter, _Ch_type, _Rx_traits >

SYNOPSIS

Public Types


typedef std::ptrdiff_t difference_type
typedef std::forward_iterator_tag iterator_category
typedef const value_type * pointer
typedef const value_type & reference
typedef basic_regex< _Ch_type, _Rx_traits > regex_type
typedef sub_match< _Bi_iter > value_type

Public Member Functions


regex_token_iterator ()
Default constructs a regex_token_iterator. template<std::size_t _Nm> regex_token_iterator (_Bi_iter __a, _Bi_iter __b, const regex_type &__re, const int(&__submatches)[_Nm], regex_constants::match_flag_type __m=regex_constants::match_default)
regex_token_iterator (_Bi_iter __a, _Bi_iter __b, const regex_type &__re, const std::vector< int > &__submatches, regex_constants::match_flag_type __m=regex_constants::match_default)
regex_token_iterator (_Bi_iter __a, _Bi_iter __b, const regex_type &__re, initializer_list< int > __submatches, regex_constants::match_flag_type __m=regex_constants::match_default)
regex_token_iterator (_Bi_iter __a, _Bi_iter __b, const regex_type &__re, int __submatch=0, regex_constants::match_flag_type __m=regex_constants::match_default)
template<std::size_t _Nm> regex_token_iterator (_Bi_iter, _Bi_iter, const regex_type &&, const int(&)[_Nm], regex_constants::match_flag_type=regex_constants::match_default)=delete
regex_token_iterator (_Bi_iter, _Bi_iter, const regex_type &&, const std::vector< int > &, regex_constants::match_flag_type=regex_constants::match_default)=delete
regex_token_iterator (_Bi_iter, _Bi_iter, const regex_type &&, initializer_list< int >, regex_constants::match_flag_type=regex_constants::match_default)=delete
regex_token_iterator (_Bi_iter, _Bi_iter, const regex_type &&, int=0, regex_constants::match_flag_type=regex_constants::match_default)=delete
regex_token_iterator (const regex_token_iterator &__rhs)
Copy constructs a regex_token_iterator. bool operator!= (const regex_token_iterator &__rhs) const
Compares a regex_token_iterator to another for inequality. const value_type & operator* () const
Dereferences a regex_token_iterator. regex_token_iterator & operator++ ()
Increments a regex_token_iterator. regex_token_iterator operator++ (int)
Postincrements a regex_token_iterator. const value_type * operator-> () const
Selects a regex_token_iterator member. regex_token_iterator & operator= (const regex_token_iterator &__rhs)
Assigns a regex_token_iterator to another. bool operator== (const regex_token_iterator &__rhs) const
Compares a regex_token_iterator to another for equality.

Detailed Description

template<typename _Bi_iter, typename _Ch_type = typename iterator_traits<_Bi_iter>::value_type, typename _Rx_traits = regex_traits<_Ch_type>>

class std::regex_token_iterator< _Bi_iter, _Ch_type, _Rx_traits >" Iterates over submatches in a range (or splits a text string).

The purpose of this iterator is to enumerate all, or all specified, matches of a regular expression within a text range. The dereferenced value of an iterator of this class is a std::sub_match object.

Constructor & Destructor Documentation

template<typename _Bi_iter , typename _Ch_type = typename iterator_traits<_Bi_iter>::value_type, typename _Rx_traits = regex_traits<_Ch_type>> std::regex_token_iterator< _Bi_iter, _Ch_type, _Rx_traits >::regex_token_iterator () [inline]

Default constructs a regex_token_iterator. A default-constructed regex_token_iterator is a singular iterator that will compare equal to the one-past-the-end value for any iterator of the same type.

template<typename _Bi_iter , typename _Ch_type = typename iterator_traits<_Bi_iter>::value_type, typename _Rx_traits = regex_traits<_Ch_type>> std::regex_token_iterator< _Bi_iter, _Ch_type, _Rx_traits >::regex_token_iterator (_Bi_iter __a, _Bi_iter __b, const regex_type & __re, int __submatch = 0, regex_constants::match_flag_type __m = regex_constants::match_default) [inline]

Constructs a regex_token_iterator...

Parameters

__a [IN] The start of the text to search.
__b [IN] One-past-the-end of the text to search.
__re [IN] The regular expression to search for.
__submatch [IN] Which submatch to return. There are some special values for this parameter:
  • -1 each enumerated subexpression does NOT match the regular expression (aka field splitting)
  • 0 the entire string matching the subexpression is returned for each match within the text.
  • >0 enumerates only the indicated subexpression from a match within the text.

__m [IN] Policy flags for match rules.

template<typename _Bi_iter , typename _Ch_type = typename iterator_traits<_Bi_iter>::value_type, typename _Rx_traits = regex_traits<_Ch_type>> std::regex_token_iterator< _Bi_iter, _Ch_type, _Rx_traits >::regex_token_iterator (_Bi_iter __a, _Bi_iter __b, const regex_type & __re, const std::vector< int > & __submatches, regex_constants::match_flag_type __m = regex_constants::match_default) [inline]

Constructs a regex_token_iterator...

Parameters

__a [IN] The start of the text to search.
__b [IN] One-past-the-end of the text to search.
__re [IN] The regular expression to search for.
__submatches [IN] A list of subexpressions to return for each regular expression match within the text.
__m [IN] Policy flags for match rules.

template<typename _Bi_iter , typename _Ch_type = typename iterator_traits<_Bi_iter>::value_type, typename _Rx_traits = regex_traits<_Ch_type>> std::regex_token_iterator< _Bi_iter, _Ch_type, _Rx_traits >::regex_token_iterator (_Bi_iter __a, _Bi_iter __b, const regex_type & __re, initializer_list< int > __submatches, regex_constants::match_flag_type __m = regex_constants::match_default) [inline]

Constructs a regex_token_iterator...

Parameters

__a [IN] The start of the text to search.
__b [IN] One-past-the-end of the text to search.
__re [IN] The regular expression to search for.
__submatches [IN] A list of subexpressions to return for each regular expression match within the text.
__m [IN] Policy flags for match rules.

template<typename _Bi_iter , typename _Ch_type = typename iterator_traits<_Bi_iter>::value_type, typename _Rx_traits = regex_traits<_Ch_type>> template<std::size_t _Nm> std::regex_token_iterator< _Bi_iter, _Ch_type, _Rx_traits >::regex_token_iterator (_Bi_iter __a, _Bi_iter __b, const regex_type & __re, const int(&) __submatches[_Nm], regex_constants::match_flag_type __m = regex_constants::match_default) [inline]

Constructs a regex_token_iterator...

Parameters

__a [IN] The start of the text to search.
__b [IN] One-past-the-end of the text to search.
__re [IN] The regular expression to search for.
__submatches [IN] A list of subexpressions to return for each regular expression match within the text.
__m [IN] Policy flags for match rules.

template<typename _Bi_iter , typename _Ch_type = typename iterator_traits<_Bi_iter>::value_type, typename _Rx_traits = regex_traits<_Ch_type>> std::regex_token_iterator< _Bi_iter, _Ch_type, _Rx_traits >::regex_token_iterator (const regex_token_iterator< _Bi_iter, _Ch_type, _Rx_traits > & __rhs) [inline]

Copy constructs a regex_token_iterator.

Parameters

__rhs [IN] A regex_token_iterator to copy.

Member Function Documentation

template<typename _Bi_iter , typename _Ch_type = typename iterator_traits<_Bi_iter>::value_type, typename _Rx_traits = regex_traits<_Ch_type>> bool std::regex_token_iterator< _Bi_iter, _Ch_type, _Rx_traits >::operator!= (const regex_token_iterator< _Bi_iter, _Ch_type, _Rx_traits > & __rhs) const [inline]

Compares a regex_token_iterator to another for inequality.

template<typename _Bi_iter , typename _Ch_type = typename iterator_traits<_Bi_iter>::value_type, typename _Rx_traits = regex_traits<_Ch_type>> const value_type& std::regex_token_iterator< _Bi_iter, _Ch_type, _Rx_traits >::operator* () const [inline]

Dereferences a regex_token_iterator.

template<typename _Bi_iter , typename _Ch_type = typename iterator_traits<_Bi_iter>::value_type, typename _Rx_traits = regex_traits<_Ch_type>> regex_token_iterator& std::regex_token_iterator< _Bi_iter, _Ch_type, _Rx_traits >::operator++ ()

Increments a regex_token_iterator.

template<typename _Bi_iter , typename _Ch_type = typename iterator_traits<_Bi_iter>::value_type, typename _Rx_traits = regex_traits<_Ch_type>> regex_token_iterator std::regex_token_iterator< _Bi_iter, _Ch_type, _Rx_traits >::operator++ (int) [inline]

Postincrements a regex_token_iterator.

template<typename _Bi_iter , typename _Ch_type = typename iterator_traits<_Bi_iter>::value_type, typename _Rx_traits = regex_traits<_Ch_type>> const value_type* std::regex_token_iterator< _Bi_iter, _Ch_type, _Rx_traits >::operator-> () const [inline]

Selects a regex_token_iterator member.

template<typename _Bi_iter , typename _Ch_type = typename iterator_traits<_Bi_iter>::value_type, typename _Rx_traits = regex_traits<_Ch_type>> regex_token_iterator& std::regex_token_iterator< _Bi_iter, _Ch_type, _Rx_traits >::operator= (const regex_token_iterator< _Bi_iter, _Ch_type, _Rx_traits > & __rhs)

Assigns a regex_token_iterator to another.

Parameters

__rhs [IN] A regex_token_iterator to copy.

template<typename _Bi_iter , typename _Ch_type = typename iterator_traits<_Bi_iter>::value_type, typename _Rx_traits = regex_traits<_Ch_type>> bool std::regex_token_iterator< _Bi_iter, _Ch_type, _Rx_traits >::operator== (const regex_token_iterator< _Bi_iter, _Ch_type, _Rx_traits > & __rhs) const

Compares a regex_token_iterator to another for equality.

Author

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Mon Dec 18 2023 libstdc++