title: containsWhitespace tags: string,regexp,beginner

Returns true if the given string contains any whitespace characters, false otherwise.

Use RegExp.prototype.test() with an appropriate regular expression to check if the given string contains any whitespace characters.

const containsWhitespace = (str: string) => /\s/.test(str);

containsWhitespace("lorem"); // false
containsWhitespace("lorem ipsum"); // true