How to check if new line with character is present in string using javascript? [duplicate]

Question

what is way to find if string has new line character(/n) followed by any other character in javascript? Currently I'm doing this:

if (((mystring).slice(-2)) == "/\n/A") {
    //mycode
}

I want to check whether last two characters of string are \n and A. My thing is not working. Is there any other way to do this?

Olian04 · Accepted Answer · 2021-05-05 11:14:54Z

3

I want to check whether last two characters of string are \n and A.

You can use String#endsWith

const A = `this is a valid string\nA`;
const B = `this is an invalid string`;

console.log('A', A.endsWith('\nA'));
console.log('B', B.endsWith('\nA'));

answered May 5, 2021 at 11:14

Olian04

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