python regex digits from string code example

Example 1: regex in python to obtain only the string in python

import re
print(" ".join(re.findall("[a-zA-Z]","your string")))

Example 2: regex for digits python

[0-9] is not always equivalent to \d. In python3, [0-9] matches only 
0123456789 characters, while \d matches [0-9] and other digit characters, 
for example Eastern Arabic numerals.