How to remove alphabets and special character form string

Question

My input is string contains character and special symbol, I need only numeric value output so how can we do that using Node JS. const myInput = "56,57FS+2d" //desired output is 56,57

For character not fixed with FS it will be change. Thanks in advance.

Does this answer your question? [Strip all non-numeric characters from string in JavaScript](https://stackoverflow.com/questions/1862130/strip-all-non-numeric-characters-from-string-in-javascript) — Le Rilleur, Oct 18 '21 at 07:34
Shouldnt the output be this `56,572`? Why have you not included `2` — Manas Khandelwal, Oct 18 '21 at 07:34
Its an JSON come from another source and I need to manipulate that value So in that JSON this type of value come. — Tushar, Oct 18 '21 at 07:35

score 2 · Accepted Answer · answered Oct 18 '21 at 07:44

2

Use regex /[a-zA-Z](.*)/g

const myInput = "56,57FS+2d";
console.log(myInput.replace(/[a-zA-Z](.*)/g, ''))

answered Oct 18 '21 at 07:44

Nitheesh

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score 1 · Answer 2 · answered Oct 18 '21 at 07:43

1

Try this, this will select all numbers and , and remove everything after + (here +2d).

const myInput = "56,57FS+2d";
console.log(myInput.replace(/[^0-9,][^+]{0,}/g, ""));

Output:

56,57

answered Oct 18 '21 at 07:43

Manas Khandelwal

3,790
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How to remove alphabets and special character form string

2 Answers2