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1 /*
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2 *
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3 * Copyright (c) 1998-2002
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4 * John Maddock
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5 *
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6 * Use, modification and distribution are subject to the
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7 * Boost Software License, Version 1.0. (See accompanying file
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8 * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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9 *
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10 */
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11
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12 /*
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13 * LOCATION: see http://www.boost.org for most recent version.
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14 * FILE regex_search.hpp
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15 * VERSION see <boost/version.hpp>
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16 * DESCRIPTION: Provides regex_search implementation.
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17 */
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18
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19 #ifndef BOOST_REGEX_V4_REGEX_SEARCH_HPP
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20 #define BOOST_REGEX_V4_REGEX_SEARCH_HPP
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21
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22
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23 namespace boost{
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24
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25 #ifdef BOOST_MSVC
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26 #pragma warning(push)
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27 #pragma warning(disable: 4103)
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28 #endif
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29 #ifdef BOOST_HAS_ABI_HEADERS
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30 # include BOOST_ABI_PREFIX
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31 #endif
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32 #ifdef BOOST_MSVC
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33 #pragma warning(pop)
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34 #endif
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35
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36 template <class BidiIterator, class Allocator, class charT, class traits>
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37 bool regex_search(BidiIterator first, BidiIterator last,
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38 match_results<BidiIterator, Allocator>& m,
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39 const basic_regex<charT, traits>& e,
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40 match_flag_type flags = match_default)
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41 {
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42 return regex_search(first, last, m, e, flags, first);
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43 }
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44
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45 template <class BidiIterator, class Allocator, class charT, class traits>
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46 bool regex_search(BidiIterator first, BidiIterator last,
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47 match_results<BidiIterator, Allocator>& m,
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48 const basic_regex<charT, traits>& e,
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49 match_flag_type flags,
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50 BidiIterator base)
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51 {
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52 if(e.flags() & regex_constants::failbit)
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53 return false;
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54
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55 re_detail::perl_matcher<BidiIterator, Allocator, traits> matcher(first, last, m, e, flags, base);
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56 return matcher.find();
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57 }
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58
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59 //
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60 // regex_search convenience interfaces:
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61 #ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
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62 //
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63 // this isn't really a partial specialisation, but template function
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64 // overloading - if the compiler doesn't support partial specialisation
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65 // then it really won't support this either:
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66 template <class charT, class Allocator, class traits>
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67 inline bool regex_search(const charT* str,
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68 match_results<const charT*, Allocator>& m,
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69 const basic_regex<charT, traits>& e,
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70 match_flag_type flags = match_default)
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71 {
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72 return regex_search(str, str + traits::length(str), m, e, flags);
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73 }
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74
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75 template <class ST, class SA, class Allocator, class charT, class traits>
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76 inline bool regex_search(const std::basic_string<charT, ST, SA>& s,
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77 match_results<typename std::basic_string<charT, ST, SA>::const_iterator, Allocator>& m,
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78 const basic_regex<charT, traits>& e,
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79 match_flag_type flags = match_default)
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80 {
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81 return regex_search(s.begin(), s.end(), m, e, flags);
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82 }
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83 #else // partial overloads:
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84 inline bool regex_search(const char* str,
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85 cmatch& m,
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86 const regex& e,
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87 match_flag_type flags = match_default)
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88 {
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89 return regex_search(str, str + regex::traits_type::length(str), m, e, flags);
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90 }
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91 inline bool regex_search(const char* first, const char* last,
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92 const regex& e,
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93 match_flag_type flags = match_default)
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94 {
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95 cmatch m;
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96 return regex_search(first, last, m, e, flags | regex_constants::match_any);
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97 }
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98
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99 #ifndef BOOST_NO_WREGEX
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100 inline bool regex_search(const wchar_t* str,
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101 wcmatch& m,
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102 const wregex& e,
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103 match_flag_type flags = match_default)
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104 {
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105 return regex_search(str, str + wregex::traits_type::length(str), m, e, flags);
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106 }
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107 inline bool regex_search(const wchar_t* first, const wchar_t* last,
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108 const wregex& e,
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109 match_flag_type flags = match_default)
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110 {
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111 wcmatch m;
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112 return regex_search(first, last, m, e, flags | regex_constants::match_any);
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113 }
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114 #endif
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115 inline bool regex_search(const std::string& s,
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116 smatch& m,
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117 const regex& e,
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118 match_flag_type flags = match_default)
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119 {
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120 return regex_search(s.begin(), s.end(), m, e, flags);
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121 }
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122 #if !defined(BOOST_NO_WREGEX)
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123 inline bool regex_search(const std::basic_string<wchar_t>& s,
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124 wsmatch& m,
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125 const wregex& e,
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126 match_flag_type flags = match_default)
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127 {
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128 return regex_search(s.begin(), s.end(), m, e, flags);
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129 }
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130 #endif
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131
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132 #endif
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133
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134 template <class BidiIterator, class charT, class traits>
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135 bool regex_search(BidiIterator first, BidiIterator last,
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136 const basic_regex<charT, traits>& e,
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137 match_flag_type flags = match_default)
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138 {
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139 if(e.flags() & regex_constants::failbit)
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140 return false;
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141
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142 match_results<BidiIterator> m;
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143 typedef typename match_results<BidiIterator>::allocator_type match_alloc_type;
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144 re_detail::perl_matcher<BidiIterator, match_alloc_type, traits> matcher(first, last, m, e, flags | regex_constants::match_any, first);
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145 return matcher.find();
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146 }
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147
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148 #ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
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149
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150 template <class charT, class traits>
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151 inline bool regex_search(const charT* str,
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152 const basic_regex<charT, traits>& e,
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153 match_flag_type flags = match_default)
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154 {
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155 return regex_search(str, str + traits::length(str), e, flags);
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156 }
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157
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158 template <class ST, class SA, class charT, class traits>
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159 inline bool regex_search(const std::basic_string<charT, ST, SA>& s,
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160 const basic_regex<charT, traits>& e,
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161 match_flag_type flags = match_default)
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162 {
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163 return regex_search(s.begin(), s.end(), e, flags);
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164 }
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165 #else // non-template function overloads
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166 inline bool regex_search(const char* str,
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167 const regex& e,
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168 match_flag_type flags = match_default)
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169 {
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170 cmatch m;
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171 return regex_search(str, str + regex::traits_type::length(str), m, e, flags | regex_constants::match_any);
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172 }
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173 #ifndef BOOST_NO_WREGEX
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174 inline bool regex_search(const wchar_t* str,
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175 const wregex& e,
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176 match_flag_type flags = match_default)
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177 {
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178 wcmatch m;
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179 return regex_search(str, str + wregex::traits_type::length(str), m, e, flags | regex_constants::match_any);
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180 }
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181 #endif
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182 inline bool regex_search(const std::string& s,
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183 const regex& e,
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184 match_flag_type flags = match_default)
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185 {
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186 smatch m;
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187 return regex_search(s.begin(), s.end(), m, e, flags | regex_constants::match_any);
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188 }
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189 #if !defined(BOOST_NO_WREGEX)
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190 inline bool regex_search(const std::basic_string<wchar_t>& s,
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191 const wregex& e,
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192 match_flag_type flags = match_default)
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193 {
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194 wsmatch m;
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195 return regex_search(s.begin(), s.end(), m, e, flags | regex_constants::match_any);
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196 }
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197
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198 #endif // BOOST_NO_WREGEX
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199
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200 #endif // partial overload
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201
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202 #ifdef BOOST_MSVC
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203 #pragma warning(push)
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204 #pragma warning(disable: 4103)
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205 #endif
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206 #ifdef BOOST_HAS_ABI_HEADERS
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207 # include BOOST_ABI_SUFFIX
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208 #endif
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209 #ifdef BOOST_MSVC
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210 #pragma warning(pop)
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211 #endif
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212
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213 } // namespace boost
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214
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215 #endif // BOOST_REGEX_V4_REGEX_SEARCH_HPP
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216
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217
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