JQuery Regex - get the number inside of a string

Question

How do I extract the number inside of a string like the examples below?

myform-5-id
myform-32-id
myform-0-id

The number will always be an integer >= 0, and the text will always be the same.

Answer 1

The regex that you are looking for is /\d+/.

Regex Explanation:

• \d+ matches one or more numbers
• The surrounding / is the way to mention the regex pattern

Working Code Snippet:

var r = /\d+/;
var s = "myform-5-id";
alert (s.match(r));

Demo on Regex101 with explanation

Source

Answer 2

Use parseInt();

var int= parseInt('myform-5-id'.match(/[0-9]+/), 10);
alert(int);

This is an actual number and not a string.

Answer 3

If you want a non regex solution than you can use this otherwise @Rahul answer is perfect

var a="myform-5-id";
var res=a.split('-');
alert(res[1]);