Python is integer or float function
Return true when the string is an integer or float.
Python
def is_int_or_float(s): try: float(s) except (TypeError, ValueError): return False else: return True
Test return value of is_int_or_float, isdigit, and isdecimal.
Python
char_list = ( [None, '', '0', '0.0', '0.1', '0.123456789', '1.0'] + [ chr(number) for number in itertools.chain( range(1000), range(4969, 4978), range(8304, 11000), ) ]) line = '-' * 55 checkmark = '\u2713' print(line) print('| char | is_int_or_float | isdigit | isdecimal |') print(line) for char in char_list: char_is_int_or_float = is_int_or_float(char) try: char_isdigit = char.isdigit() except AttributeError: char_isdigit = False try: char_isdecimal = char.isdecimal() except AttributeError: char_isdecimal = False if char_is_int_or_float or char_isdigit or char_isdecimal: print('| {0:>11} | {1:^15} | {2:^7} | {3:^9} |'.format( char, checkmark if char_is_int_or_float else '', checkmark if char_isdigit else '', checkmark if char_isdecimal else '', ))
Code
------------------------------------------------------- | char | is_int_or_float | isdigit | isdecimal | ------------------------------------------------------- | 0 | ✓ | ✓ | ✓ | | 0.0 | ✓ | | | | 0.1 | ✓ | | | | 0.123456789 | ✓ | | | | 1.0 | ✓ | | | | 0 | ✓ | ✓ | ✓ | | 1 | ✓ | ✓ | ✓ | | 2 | ✓ | ✓ | ✓ | | 3 | ✓ | ✓ | ✓ | | 4 | ✓ | ✓ | ✓ | | 5 | ✓ | ✓ | ✓ | | 6 | ✓ | ✓ | ✓ | | 7 | ✓ | ✓ | ✓ | | 8 | ✓ | ✓ | ✓ | | 9 | ✓ | ✓ | ✓ | | ² | | ✓ | | | ³ | | ✓ | | | ¹ | | ✓ | | | ፩ | | ✓ | | | ፪ | | ✓ | | | ፫ | | ✓ | | | ፬ | | ✓ | | | ፭ | | ✓ | | | ፮ | | ✓ | | | ፯ | | ✓ | | | ፰ | | ✓ | | | ፱ | | ✓ | | | ⁰ | | ✓ | | | ⁴ | | ✓ | | | ⁵ | | ✓ | | | ⁶ | | ✓ | | | ⁷ | | ✓ | | | ⁸ | | ✓ | | | ⁹ | | ✓ | | | ₀ | | ✓ | | | ₁ | | ✓ | | | ₂ | | ✓ | | | ₃ | | ✓ | | | ₄ | | ✓ | | | ₅ | | ✓ | | | ₆ | | ✓ | | | ₇ | | ✓ | | | ₈ | | ✓ | | | ₉ | | ✓ | | | ① | | ✓ | | | ② | | ✓ | | | ③ | | ✓ | | | ④ | | ✓ | | | ⑤ | | ✓ | | | ⑥ | | ✓ | | | ⑦ | | ✓ | | | ⑧ | | ✓ | | | ⑨ | | ✓ | | | ⑴ | | ✓ | | | ⑵ | | ✓ | | | ⑶ | | ✓ | | | ⑷ | | ✓ | | | ⑸ | | ✓ | | | ⑹ | | ✓ | | | ⑺ | | ✓ | | | ⑻ | | ✓ | | | ⑼ | | ✓ | | | ⒈ | | ✓ | | | ⒉ | | ✓ | | | ⒊ | | ✓ | | | ⒋ | | ✓ | | | ⒌ | | ✓ | | | ⒍ | | ✓ | | | ⒎ | | ✓ | | | ⒏ | | ✓ | | | ⒐ | | ✓ | | | ⓪ | | ✓ | | | ⓵ | | ✓ | | | ⓶ | | ✓ | | | ⓷ | | ✓ | | | ⓸ | | ✓ | | | ⓹ | | ✓ | | | ⓺ | | ✓ | | | ⓻ | | ✓ | | | ⓼ | | ✓ | | | ⓽ | | ✓ | | | ⓿ | | ✓ | | | ❶ | | ✓ | | | ❷ | | ✓ | | | ❸ | | ✓ | | | ❹ | | ✓ | | | ❺ | | ✓ | | | ❻ | | ✓ | | | ❼ | | ✓ | | | ❽ | | ✓ | | | ❾ | | ✓ | | | ➀ | | ✓ | | | ➁ | | ✓ | | | ➂ | | ✓ | | | ➃ | | ✓ | | | ➄ | | ✓ | | | ➅ | | ✓ | | | ➆ | | ✓ | | | ➇ | | ✓ | | | ➈ | | ✓ | | | ➊ | | ✓ | | | ➋ | | ✓ | | | ➌ | | ✓ | | | ➍ | | ✓ | | | ➎ | | ✓ | | | ➏ | | ✓ | | | ➐ | | ✓ | | | ➑ | | ✓ | | | ➒ | | ✓ | | -------------------------------------------------------