Issue 5141 - Convert filter match to C++

compiled/filter/Filter.cpp

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 54 matching lines @@
     // Remove trailing spaces
     for (; end > 0; end--)
       if (text[end - 1] != ' ')
         break;
 
     // Set new string boundaries
     text.reset(text, start, end - start);
   }
 }
 
+const DependentString Filter::regexpRegExp = u"^(@@)?\\/.*\\/(?:\\$~?[\\w-]+(?:=[^,\\s]+)?(?:,~?[\\w-]+(?:=[^,\\s]+)?)*)?$"_str;
+const DependentString Filter::optionsRegExp = u"\\$(~?[\\w-]+(?:=[^,\\s]+)?(?:,~?[\\w-]+(?:=[^,\\s]+)?)*)$"_str;
+
 Filter::Filter(Type type, const String& text)
     : mText(text), mType(type)
 {
   annotate_address(this, "Filter");
 }
 
 Filter::~Filter()
 {
   knownFilters.erase(mText);
 }
@@ skipping 67 matching lines @@
 
   // This is a hack: we looked up the entry using text but create it using
   // filter->mText. This works because both are equal at this point. However,
   // text refers to a temporary buffer which will go away.
   enter_context("Adding to known filters");
   knownFilter.assign(filter->mText, filter.get());
   exit_context();
 
   return filter.release();
 }