1 files changed, 68 insertions, 0 deletions
diff --git a/src/boost/libs/regex/example/snippets/captures_example.cpp b/src/boost/libs/regex/example/snippets/captures_example.cpp
new file mode 100644
index 00000000..d1ff1e9f
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+++ b/src/boost/libs/regex/example/snippets/captures_example.cpp
@@ -0,0 +1,68 @@
+/*
+ *
+ * Copyright (c) 2003-2004
+ * John Maddock
+ *
+ * Use, modification and distribution are subject to the 
+ * Boost Software License, Version 1.0. (See accompanying file 
+ * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+ *
+ */
+
+ /*
+  *   LOCATION:    see http://www.boost.org for most recent version.
+  *   FILE         captures_example.cpp
+  *   VERSION      see <boost/version.hpp>
+  *   DESCRIPTION: Demonstrate the behaviour of captures.
+  */
+
+#include <boost/regex.hpp>
+#include <iostream>
+
+
+void print_captures(const std::string& regx, const std::string& text)
+{
+   boost::regex e(regx);
+   boost::smatch what;
+   std::cout << "Expression:  \"" << regx << "\"\n";
+   std::cout << "Text:        \"" << text << "\"\n";
+   if(boost::regex_match(text, what, e, boost::match_extra))
+   {
+      unsigned i, j;
+      std::cout << "** Match found **\n   Sub-Expressions:\n";
+      for(i = 0; i < what.size(); ++i)
+         std::cout << "      $" << i << " = \"" << what[i] << "\"\n";
+      std::cout << "   Captures:\n";
+      for(i = 0; i < what.size(); ++i)
+      {
+         std::cout << "      $" << i << " = {";
+         for(j = 0; j < what.captures(i).size(); ++j)
+         {
+            if(j)
+               std::cout << ", ";
+            else
+               std::cout << " ";
+            std::cout << "\"" << what.captures(i)[j] << "\"";
+         }
+         std::cout << " }\n";
+      }
+   }
+   else
+   {
+      std::cout << "** No Match found **\n";
+   }
+}
+
+int main(int , char* [])
+{
+   print_captures("(([[:lower:]]+)|([[:upper:]]+))+", "aBBcccDDDDDeeeeeeee");
+   print_captures("a(b+|((c)*))+d", "abd");
+   print_captures("(.*)bar|(.*)bah", "abcbar");
+   print_captures("(.*)bar|(.*)bah", "abcbah");
+   print_captures("^(?:(\\w+)|(?>\\W+))*$", "now is the time for all good men to come to the aid of the party");
+   print_captures("^(?>(\\w+)\\W*)*$", "now is the time for all good men to come to the aid of the party");
+   print_captures("^(\\w+)\\W+(?>(\\w+)\\W+)*(\\w+)$", "now is the time for all good men to come to the aid of the party");
+   print_captures("^(\\w+)\\W+(?>(\\w+)\\W+(?:(\\w+)\\W+){0,2})*(\\w+)$", "now is the time for all good men to come to the aid of the party");
+   return 0;
+}
+