"\w+\s+\w+\d+\s\$" "a aa11  "
"^\s+\s     l" "     lala"
"test123test\d+" "test123test"
"test123test\d+\$" "test123test"
"(lalala" "lalala"
"test123(\d)" "test123a"
"\(test)" "test"
"(\w+)(\d+)" "1 1"