void () { doTest("(?<!(aa)<error descr=\"* repetition not allowed inside lookbehind\">*</error>)"); doTest("(?<!(aa)<error descr=\"+ repetition not allowed inside lookbehind\">+</error>)"); doTest("(?<!(aa)?)"); doTest("(?<!(aa){2,6})"); doTest("(one)(?<!<error descr=\"Group reference not allowed inside lookbehind\">\\1</error>)"); }