Number Check
import re
pattern = re.compile("^([0-9]+)+$")
content = "s23434"
if(pattern.match(content)):
print(pattern.match(content).pos)
else:
print('not matched')
not matched
content = "23434"
if(pattern.match(content)):
print('matched at : ', pattern.match(content).pos)
else:
print('not matched')
matched at : 0