recognize number from string python code example

Example 1: python get numbers from string

string = "abc123"
# Method 1
''.join(char for char in string if char.isdigit())

#Method 2
import re
re.sub("[^0-9]", "", string)

Example 2: how to get a number from a string in python

string = "I am 14 years old"
for i in string.split():
  if i.isdigit():
    print(i)
print()