Skip to main content

containsWhitespace

TS JS Deno

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.

typescript
const containsWhitespace = (str: string) => /\s/.test(str);
typescript
containsWhitespace("lorem"); // false
containsWhitespace("lorem ipsum"); // true