import re string = """12345 67890 afghe abcde 23456 0abcd 34567 __fred01 45678 123.456 12345a 123. .456 ab00cd 00ab00""" for m in string.split(): if m.isdigit(): print(m, 'Int') else: try: float(m) print(m, 'Float') except ValueError: print(m, 'STR')
Standard input is empty
('12345', 'Int')
('67890', 'Int')
('afghe', 'STR')
('abcde', 'STR')
('23456', 'Int')
('0abcd', 'STR')
('34567', 'Int')
('__fred01', 'STR')
('45678', 'Int')
('123.456', 'Float')
('12345a', 'STR')
('123.', 'Float')
('.456', 'Float')
('ab00cd', 'STR')
('00ab00', 'STR')