Python is integer or float function

Content

Return true when the string is an integer or float.

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.

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 '',         )) ------------------------------------------------------- | 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 |                 |    ✓    |         | -------------------------------------------------------