python check if string contains only chars and numbers code example
Example 1: python only numbers in 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: python how to check if string contains only numbers
print("012345".isdecimal())
OUTPUT
True
print("a12345".isdecimal())
OUTPUT
False