Vb.net get integers only from string with integers

Question

I have this string 123abc123 how can i get only integers from this string?

For example, convert 123abc123 to 123123.

What i tried:

Integer.Parse(abc)

Answer 1

You could use Char.IsDigit

Dim str = "123abc123"
Dim onlyDigits = New String(str.Where(Function(c) Char.IsDigit(c)).ToArray())
Dim num = Int32.Parse(onlyDigits)