Bug fixes

Fix when importing rulesets, some invisible characters are also added to the result.
Fix proxy group/ruleset settings not working properly with YAML format external configurations.

src/misc.cpp

@@ -618,8 +618,14 @@ bool regValid(const std::string &target)
     jp::Regex reg(target);
     return !!reg;
 }
+
 #endif // USE_STD_REGEX
 
+std::string regTrim(const std::string &src)
+{
+    return regReplace(src, "^\\s*?(.*?)\\s*$", "$1");
+}
+
 std::string speedCalc(double speed)
 {
     if(speed == 0.0)