.TH "std::basic_regex< _Ch_type, _Rx_traits >" 3cxx "Sun Feb 7 2021" "libstdc++" \" -*- nroff -*-
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.SH NAME
std::basic_regex< _Ch_type, _Rx_traits >
.SH SYNOPSIS
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.PP
.SS "Public Types"

.in +1c
.ti -1c
.RI "typedef \fBregex_constants::syntax_option_type\fP \fBflag_type\fP"
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.ti -1c
.RI "typedef traits_type::locale_type \fBlocale_type\fP"
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.RI "typedef traits_type::string_type \fBstring_type\fP"
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.ti -1c
.RI "typedef _Rx_traits \fBtraits_type\fP"
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.ti -1c
.RI "typedef _Ch_type \fBvalue_type\fP"
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.in -1c
.SS "Constants"
std [28\&.8\&.1](1) 
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.ti -1c
.RI "static constexpr \fBflag_type\fP \fBicase\fP"
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.ti -1c
.RI "static constexpr \fBflag_type\fP \fBnosubs\fP"
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.ti -1c
.RI "static constexpr \fBflag_type\fP \fBoptimize\fP"
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.ti -1c
.RI "static constexpr \fBflag_type\fP \fBcollate\fP"
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.ti -1c
.RI "static constexpr \fBflag_type\fP \fBECMAScript\fP"
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.ti -1c
.RI "static constexpr \fBflag_type\fP \fBbasic\fP"
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.ti -1c
.RI "static constexpr \fBflag_type\fP \fBextended\fP"
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.ti -1c
.RI "static constexpr \fBflag_type\fP \fBawk\fP"
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.ti -1c
.RI "static constexpr \fBflag_type\fP \fBgrep\fP"
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.ti -1c
.RI "static constexpr \fBflag_type\fP \fBegrep\fP"
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.ti -1c
.RI "template<typename , typename , typename , bool > class \fB__detail::_Executor\fP"
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.ti -1c
.RI "template<typename _Bp , typename _Ap , typename _Cp , typename _Rp , __detail::_RegexExecutorPolicy , bool > bool \fB__detail::__regex_algo_impl\fP (_Bp, _Bp, \fBmatch_results\fP< _Bp, _Ap > &, const \fBbasic_regex\fP< _Cp, _Rp > &, \fBregex_constants::match_flag_type\fP)"
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.ti -1c
.RI "\fBbasic_regex\fP ()"
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.RI "\fBbasic_regex\fP (const _Ch_type *__p, \fBflag_type\fP __f=\fBECMAScript\fP)"
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.RI "Constructs a basic regular expression from the sequence [__p, __p + char_traits<_Ch_type>::length(__p)) interpreted according to the flags in \fC__f\fP\&. "
.ti -1c
.RI "\fBbasic_regex\fP (const _Ch_type *__p, std::size_t __len, \fBflag_type\fP __f=\fBECMAScript\fP)"
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.RI "Constructs a basic regular expression from the sequence [p, p + len) interpreted according to the flags in \fCf\fP\&. "
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.RI "\fBbasic_regex\fP (const \fBbasic_regex\fP &__rhs)=default"
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.RI "Copy-constructs a basic regular expression\&. "
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.RI "\fBbasic_regex\fP (\fBbasic_regex\fP &&__rhs) noexcept=default"
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.RI "Move-constructs a basic regular expression\&. "
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.RI "template<typename _Ch_traits , typename _Ch_alloc > \fBbasic_regex\fP (const \fBstd::basic_string\fP< _Ch_type, _Ch_traits, _Ch_alloc > &__s, \fBflag_type\fP __f=\fBECMAScript\fP)"
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.RI "Constructs a basic regular expression from the string \fCs\fP interpreted according to the flags in \fCf\fP\&. "
.ti -1c
.RI "template<typename _FwdIter > \fBbasic_regex\fP (_FwdIter __first, _FwdIter __last, \fBflag_type\fP __f=\fBECMAScript\fP)"
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.RI "Constructs a basic regular expression from the range [first, last) interpreted according to the flags in \fCf\fP\&. "
.ti -1c
.RI "\fBbasic_regex\fP (\fBinitializer_list\fP< _Ch_type > __l, \fBflag_type\fP __f=\fBECMAScript\fP)"
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.RI "Constructs a basic regular expression from an initializer list\&. "
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.RI "\fB~basic_regex\fP ()"
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.RI "Destroys a basic regular expression\&. "
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.RI "\fBbasic_regex\fP & \fBoperator=\fP (const \fBbasic_regex\fP &__rhs)"
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.RI "Assigns one regular expression to another\&. "
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.RI "\fBbasic_regex\fP & \fBoperator=\fP (\fBbasic_regex\fP &&__rhs) noexcept"
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.RI "Move-assigns one regular expression to another\&. "
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.RI "\fBbasic_regex\fP & \fBoperator=\fP (const _Ch_type *__p)"
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.RI "Replaces a regular expression with a new one constructed from a C-style null-terminated string\&. "
.ti -1c
.RI "\fBbasic_regex\fP & \fBoperator=\fP (\fBinitializer_list\fP< _Ch_type > __l)"
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.RI "Replaces a regular expression with a new one constructed from an initializer list\&. "
.ti -1c
.RI "template<typename _Ch_traits , typename _Alloc > \fBbasic_regex\fP & \fBoperator=\fP (const \fBbasic_string\fP< _Ch_type, _Ch_traits, _Alloc > &__s)"
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.RI "Replaces a regular expression with a new one constructed from a string\&. "
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.RI "\fBbasic_regex\fP & \fBassign\fP (const \fBbasic_regex\fP &__rhs)"
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.RI "the real assignment operator\&. "
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.RI "\fBbasic_regex\fP & \fBassign\fP (\fBbasic_regex\fP &&__rhs) noexcept"
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.RI "The move-assignment operator\&. "
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.RI "\fBbasic_regex\fP & \fBassign\fP (const _Ch_type *__p, \fBflag_type\fP __flags=\fBECMAScript\fP)"
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.RI "Assigns a new regular expression to a regex object from a C-style null-terminated string containing a regular expression pattern\&. "
.ti -1c
.RI "\fBbasic_regex\fP & \fBassign\fP (const _Ch_type *__p, std::size_t __len, \fBflag_type\fP __flags)"
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.RI "Assigns a new regular expression to a regex object from a C-style string containing a regular expression pattern\&. "
.ti -1c
.RI "template<typename _Ch_traits , typename _Alloc > \fBbasic_regex\fP & \fBassign\fP (const \fBbasic_string\fP< _Ch_type, _Ch_traits, _Alloc > &__s, \fBflag_type\fP __flags=\fBECMAScript\fP)"
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.RI "Assigns a new regular expression to a regex object from a string containing a regular expression pattern\&. "
.ti -1c
.RI "template<typename _InputIterator > \fBbasic_regex\fP & \fBassign\fP (_InputIterator __first, _InputIterator __last, \fBflag_type\fP __flags=\fBECMAScript\fP)"
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.RI "Assigns a new regular expression to a regex object\&. "
.ti -1c
.RI "\fBbasic_regex\fP & \fBassign\fP (\fBinitializer_list\fP< _Ch_type > __l, \fBflag_type\fP __flags=\fBECMAScript\fP)"
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.RI "Assigns a new regular expression to a regex object\&. "
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.RI "unsigned int \fBmark_count\fP () const"
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.RI "Gets the number of marked subexpressions within the regular expression\&. "
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.RI "\fBflag_type\fP \fBflags\fP () const"
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.RI "Gets the flags used to construct the regular expression or in the last call to assign()\&. "
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.RI "locale_type \fBimbue\fP (locale_type __loc)"
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.RI "Imbues the regular expression object with the given locale\&. "
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.RI "locale_type \fBgetloc\fP () const"
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.RI "Gets the locale currently imbued in the regular expression object\&. "
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.RI "void \fBswap\fP (\fBbasic_regex\fP &__rhs)"
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.RI "Swaps the contents of two regular expression objects\&. "
.in -1c
.SH "Detailed Description"
.PP 

.SS "template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>>
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class std::basic_regex< _Ch_type, _Rx_traits >"
Objects of specializations of this class represent regular expressions constructed from sequences of character type \fC_Ch_type\fP\&.
.PP
Storage for the regular expression is allocated and deallocated as necessary by the member functions of this class\&. 
.PP
Definition at line 386 of file regex\&.h\&.

.SH "Author"
.PP 
Generated automatically by Doxygen for libstdc++ from the source code\&.