mirror of
https://hub.njuu.cf/TheAlgorithms/Python.git
synced 2023-10-11 13:06:12 +08:00
129 lines
3.1 KiB
Python
129 lines
3.1 KiB
Python
def is_upper(string: str) -> bool:
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"""
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Check if all characters in the string are uppercase letters.
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Args:
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string (str): The input string.
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Returns:
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bool: True if all characters in the string are uppercase letters, False otherwise.
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Examples:
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>>> is_upper("HELLO")
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True
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>>> is_upper("Hello")
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False
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"""
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return all(ord(char) >= 65 and ord(char) <= 90 for char in string)
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def is_lower(string: str) -> bool:
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"""
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Check if all characters in the string are lowercase letters.
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Args:
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string (str): The input string.
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Returns:
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bool: True if all characters in the string are lowercase letters, False otherwise.
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Examples:
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>>> is_lower("hello")
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True
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>>> is_lower("Hello")
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False
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"""
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return all(ord(char) >= 97 and ord(char) <= 122 for char in string)
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def is_alpha(string: str) -> bool:
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"""
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Check if all characters in the string are alphabetical (letters).
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Args:
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string (str): The input string.
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Returns:
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bool: True if all characters in the string are letters, False otherwise.
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Examples:
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>>> is_alpha("Hello")
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True
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>>> is_alpha("Hello123")
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False
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"""
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return all(char.isalpha() for char in string)
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def is_alnum(string: str) -> bool:
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"""
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Check if all characters in the string are alphanumeric (letters or digits).
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Args:
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string (str): The input string.
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Returns:
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bool: True if all characters in the string are letters or digits, False otherwise.
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Examples:
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>>> is_alnum("Hello123")
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True
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>>> is_alnum("Hello 123")
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False
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"""
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return all(char.isalnum() for char in string)
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def is_decimal(string: str) -> bool:
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"""
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Check if all characters in the string are decimal digits.
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Args:
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string (str): The input string.
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Returns:
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bool: True if all characters in the string are decimal digits, False otherwise.
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Examples:
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>>> is_decimal("12345")
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True
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>>> is_decimal("12.345")
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False
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"""
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return all(char.isdigit() for char in string)
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def is_space(string: str) -> bool:
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"""
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Check if all characters in the string are whitespace characters.
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Args:
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string (str): The input string.
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Returns:
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bool: True if all characters in the string are whitespace characters, False otherwise.
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Examples:
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>>> is_space(" \\t\\n")
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True
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>>> is_space("Hello")
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False
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"""
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return all(char.isspace() for char in string)
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def is_title(string: str) -> bool:
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"""
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Check if the string is in title case (first letter of each word is capital).
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Args:
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string (str): The input string.
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Returns:
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bool: True if the string is in title case, False otherwise.
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Examples:
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>>> is_title("This Is A Title Case String")
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True
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>>> is_title("This is Not a Title Case String")
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False
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"""
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return string.istitle()
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if __name__ == "__main__":
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import doctest
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doctest.testmod() |