Posted to tcl by gwlester at Fri Jun 16 20:10:50 GMT 2017view pretty
# Check for validity according to RFC 3986, Appendix A set validityRE {(?xi) ^ (?: [-\w.~!$&'()*+,;=:] | %[0-9a-f][0-9a-f] )+ $ } if {$state(-strict) && ![regexp -- $validityRE $user]} { unset $token # Provide a better error message in this error case if {[regexp {(?i)%(?![0-9a-f][0-9a-f]).?.?} $user bad]} { return -code error \ "Illegal encoding character usage \"$bad\" in URL user" } return -code error "Illegal characters in URL user" }