import re
def repl(m):
return '' if re.search(r'[0-9]', m.group(0)) else m.group(0)
out = re.sub(r'(\S+)', repl, 'one two2 three! four4')
print(out)
aW1wb3J0IHJlCgoKZGVmIHJlcGwobSk6CiAgICByZXR1cm4gJycgaWYgcmUuc2VhcmNoKHInWzAtOV0nLCBtLmdyb3VwKDApKSBlbHNlIG0uZ3JvdXAoMCkKCgpvdXQgPSByZS5zdWIocicoXFMrKScsIHJlcGwsICdvbmUgdHdvMiB0aHJlZSEgZm91cjQnKQpwcmludChvdXQpCgo=