Metacharacter \s ใช้หา whitespace character
Whitespace character ได้แก่
- Space character
- Tab character
- Carriage return character
- New line character
- Vertical tab character
- Form feed character
ตัวอย่าง
// 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\nn"))ผลลัพธ์
false false true true true
