Return only numbers from string

Question

I have a value in Javascript as

var input = \"Rs. 6,67,000\"

How can I get only the numerical values ?

Result: 6

Answer 1

You can use

str.replace('Rs. ', '').replace(/,/g, '');

or

str.replace(/Rs. |,/g, '');

• /,/g is a regular expression. g means global
• /Rs. |,/g is a single regular expression that matches every occurence of Rs. or ,

Answer 2

You can make a function like this

function justNumbers(string) {
  var numsStr = string.replace(/[^0-9]/g, '');
  return parseInt(numsStr);
}

var input = "Rs. 6,67,000";
var number = justNumbers(input);
console.log(number); // 667000

Answer 3

var input = "Rs. 6,67,000";

input = input.replace("Rs. ", "");

//loop through string and replace all commas
while (input.indexOf(",") !== -1) {
    input = input.replace(",","");
}

Answer 4

You are really close. Change your replace to use the g flag, which will replace all.

str.replace("Rs. ", "").replace(/,/g,"");

Answer 5

Try this

var input = "ds. 7,765,000";
var cleantxt = input.replace(/^\D+/g, '');
var output = cleantxt.replace(/\,/g, "");
alert(output);

Answer 6

This is a great use for a regular expression.

    var str = "Rs. 6,67,000";
    var res = str.replace(/\D/g, "");
    alert(res); // 667000

\D matches a character that is not a numerical digit. So any non digit is replaced by an empty string. The result is only the digits in a string.

The g at the end of the regular expression literal is for "global" meaning that it replaces all matches, and not just the first.

This approach will work for a variety of input formats, so if that "Rs." becomes something else later, this code won't break.