WOLFRAM

Wolfram Language & System Documentation Center

Highlight Words of a Given Length

Use RegularExpression for processing textual data.

    
Wolfram Language code: text = StringTake[ExampleData[{"Text", "AliceInWonderland"}], 400]
Wolfram Language code: Manipulate[TextCell[Row[List@@StringReplace[text, {RegularExpression["\\b\\w{" <> ToString[u] <> "}\\b"] :> Style["$0", 18, Bold]}]], "TR"], {u, 1, 10, 1}, SaveDefinitions -> True]