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let digit = [%sedlex.regexp? '0' .. '9']
let number = [%sedlex.regexp? Plus digit]
let rec token buf =
let letter = [%sedlex.regexp? 'a' .. 'z' | 'A' .. 'Z'] in
match%sedlex buf with
| number ->
Printf.printf "Number %s\n" (Sedlexing.Latin1.lexeme buf);
token buf
| letter, Star ('A' .. 'Z' | 'a' .. 'z' | digit) ->
Printf.printf "Ident %s\n" (Sedlexing.Latin1.lexeme buf);
token buf
| Plus xml_blank -> token buf
| Plus (Chars "+*-/") ->
Printf.printf "Op %s\n" (Sedlexing.Latin1.lexeme buf);
token buf
| 128 .. 255 -> print_endline "Non ASCII"
| eof -> print_endline "EOF"
| _ -> failwith "Unexpected character"
let () =
let lexbuf = Sedlexing.Latin1.from_string "foobar A123Bfoo ++123Xbar/foo" in
token lexbuf
|
