last try

proc matchGroup { string groups } {
 foreach {test exs} $groups {
    foreach ex $exs {
      if {[regexp -nocase $ex $string -> match]} {
        puts "Matched: $test | Regexp: $ex"
        return
      }
    } 
  }
}


set groups [list test1 (first)]
lappend groups test2 [list (second) (other)]]
lappend groups test3 [list (final) (works) (last)]]


% matchGroup "this is first" $groups
Matched: test1 | Regexp: (first)
% matchGroup "this is the second test and i match some other words in here" $groups
Matched: test2 | Regexp: (second)
% matchGroup "this is the final test just hope that its works as it is the last test" $groups
Matched: test3 | Regexp: (final)