└── chk_numbers.py


/chk_numbers.py:
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 1 | import re
 2 |  
 3 | def is_float(val):
 4 |     if isinstance(val, float): return True
 5 |     if re.search(r'^\-{,1}[0-9]+\.{1}[0-9]+$', val): return True
 6 |  
 7 |     return False
 8 |  
 9 | def is_int(val):
10 |     if isinstance(val, int): return True
11 |     if re.search(r'^\-{,1}[0-9]+$', val): return True
12 |  
13 |     return False
14 |  
15 | def is_number(val):
16 |     return is_int(val) or is_float(val)
17 |  
18 | ###########
19 | #  USAGE  #
20 | ###########
21 |  
22 | # Float
23 | print(is_float('-101.0112'))  # True
24 | # Int
25 | print(is_int('-1010112'))  # True
26 | # Numbers in general (float ou int)
27 | print(is_number('-1010.112'))  # True
28 |  
29 | # False
30 | print(is_number('123a'))  # False
31 | 


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