util_complete_url_p {} stringWhat it does:
Determine whether string is a complete URL, i.e. wheteher it begins with protocol: where protocol consists of letters only.Defined in: /web/philip/packages/acs-core/utilities-procs.tcl
Source code:
arg_parser_for_util_complete_url_p $args if {[regexp -nocase {^[a-z]+:} $string]} { return 1 } else { return 0 }