\.\.\.
(?<=[a-z])\.(?=[A-Z])
(?<=[a-zöäüßA-ZÖÄÜ"]):(?=[a-zöäüßA-ZÖÄÜ])
(?<=[a-zöäüßA-ZÖÄÜ"])>(?=[a-zöäüßA-ZÖÄÜ])
(?<=[a-zöäüßA-ZÖÄÜ"])<(?=[a-zöäüßA-ZÖÄÜ])
(?<=[a-zöäüßA-ZÖÄÜ"])=(?=[a-zöäüßA-ZÖÄÜ])