Fix IfcUtil::wildcard_string_to_regex()

src/ifcparse/IfcUtil.cpp

@@ -149,10 +149,14 @@ bool IfcUtil::valid_binary_string(const std::string& s) {
 
 boost::regex IfcUtil::wildcard_string_to_regex(std::string str)
 {
-    std::string special_chars = "\\^.$|()[]*+";
+    // Escape all non-"*?" regex special chars
+    std::string special_chars = "\\^.$|()[]+/";
     foreach(char c, special_chars) {
         std::string char_str(1, c);
         boost::replace_all(str, char_str, "\\"+ char_str);
     }
+    // Convert "*?" to their regex equivalents
+    boost::replace_all(str, "?", ".");
+    boost::replace_all(str, "*", ".*");
     return boost::regex(str);
 }