javascript how to split a string in multiple arrays after specific character

Question

I am trying to split (in Vanilla JS) a string into a single or multiple arrays after each \n character.

For example :

let string = '1 2 3 4\n5 6 7 8\n9 8 7 6';

should return :

let combinedArrays = [[1, 2, 3, 4],[5, 6, 7, 8],[9, 8, 7, 6]];

by splitting the let string after every \n character and deleting all the space characters.

Thanks for your help.

Using split js function

danieltc07
– danieltc07

2020-06-03 20:01:27 +00:00
Commented Jun 3, 2020 at 20:01 — danieltc07
– danieltc07, Commented Jun 3, 2020 at 20:01

shutsman · Accepted Answer · 2020-06-03 20:01:42Z

2

let combinedArrays = string.split('\n').map(el => el.split(' '))

let string = '1 2 3 4\n5 6 7 8\n9 8 7 6';
console.log(string.split('\n').map(el => el.split(' ')))

Please read more about split() method here: https://developer.mozilla.org/uk/docs/Web/JavaScript/Reference/Global_Objects/String/split

answered Jun 3, 2020 at 20:01

shutsman

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2 Comments

scalblog Over a year ago

Thanks. How the element el could be a Number(el) ?

shutsman Over a year ago

Almost! You should use one more map operator. string.split('\n').map(el => el.split(' ').map(n => Number(n))) Please mark my answer liker correct)

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