Search regex construction

regex_contruct_ex.cpp

    if(this->rules->size() > 0) {
        string searchBlock = "";
        for(rulesIter = this->rules->begin(); rulesIter != this->rules->end(); rulesIter++) {
            if(rulesIter == this->rules->begin()) //Construct a big fat regex from all of the rules.
                searchBlock += ".*(" + rulesIter->first + ").*";
            else                searchBlock += "|.*(" + rulesIter->first + ").*";
        }
        this->globalMatchBlock = new regex(searchBlock);