JavaScript RegExp s Metacharacter

The \s metacharacter is used to find a whitespace character.

A whitespace character can be −

• A space character
• A tab character
• A carriage return character
• A new line character
• A vertical tab character
• A form feed character

Example

// Not containing any white spaces:
console.log(/\s/.test("1"))
console.log(/\s/.test("test"))
// Containing whitespace characters:
console.log(/\s/.test(" "))
console.log(/\s/.test("a\tb"))
console.log(/\s/.test("m
n"))

Output

false
false
true
true
true