On Sunday 03 April 2016 20:40:33 Anoop Alias wrote: > Thanks Valentin. That works. > > Can you explain > This is simple named subpattern: http://www.pcre.org/original/doc/html/pcrepattern.html#SEC16 used in the map directive: http://nginx.org/r/map wbr, Valentin V. Bartenev