Hi, I using third-party software, in some cases users create not valid url, and I want to fix it for example: http://xx.yy/xx/yy/?a=1&b=1 2 3.txt need replace by: http://xx.yy/xx/yy/?a=1&b=123.txt Posted at Nginx Forum: https://forum.nginx.org/read.php?2,266482,266511#msg-266511