Haskell

For Problems 5-7, give a regular expression for each description. Use ...$ to get an expression that matches a whole line of input. You don't have to find the shortest possible expression. 6. [6 points] The line doesn't begin or end with whitespace and all whitespace is one character long. Example: "So this is ok". Not examples: "this is bad"; " this too"; "and this ". For whitespace, use either space or tab (\t)