void () { quickfixTest("(<warning descr=\"Single character alternation in RegExp\">\\.|<caret>\\[|]|\\(|\\)|\\{|}|\\^|\\?|\\*|\\||\\+|-|\\$</warning>)ab", "([.\\[\\](){}^?*|+\\-$])ab", "Replace with '[.\\[\\](){}^?*|+\\-$]'"); }