Query to get only numbers from a string

Question

I have data like this:

string 1: 003Preliminary Examination Plan   
string 2: Coordination005  
string 3: Balance1000sheet

The output I exp

Answer 1

Taking other answers into account, i came up with my own: Try this :

SUBSTRING('your-string-here', PATINDEX('%[0-9]%', 'your-string-here'), LEN('your-string-here'))

NB: Only works for the first int in the string, ex: abc123vfg34 returns 123.