import re
rx = re.compile(r"(\d+(?:-\d+)?\+?)\s*(years?)", re.I)
strs = ["10+ years", "10 years", "1 year", "10-15 years"]
for description in strs:
exp_temp = rx.search(description)
if exp_temp:
print(exp_temp.groups())
aW1wb3J0IHJlCnJ4ID0gcmUuY29tcGlsZShyIihcZCsoPzotXGQrKT9cKz8pXHMqKHllYXJzPykiLCByZS5JKQpzdHJzID0gWyIxMCsgeWVhcnMiLCAiMTAgeWVhcnMiLCAiMSB5ZWFyIiwgIjEwLTE1IHllYXJzIl0gCmZvciBkZXNjcmlwdGlvbiBpbiBzdHJzOgoJZXhwX3RlbXAgPSByeC5zZWFyY2goZGVzY3JpcHRpb24pCglpZiBleHBfdGVtcDoKCQlwcmludChleHBfdGVtcC5ncm91cHMoKSk=