The following code matches only non-digits in the given string using python regular expression.
Example
import re m = re.search(r'\D+', '5Need47for Speed 2') print m
output
<_sre.SRE_Match object at 0x0000000004FE6648>
The following code finds all non-digits in the given string and prints them as a list
Example
import re m = re.findall(r'\D+', '5Need47for Speed 2') print m
output
['Need', 'for Speed ']