Python
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    Useful String Methods in Python

    • capitalize()
    • casefold()
    • count()
    • endswith()
    • find()
    • isalpha()
    • isdigit()
    • isidentifier()
    • islower()
    • isupper()
    • replace()
    • upper()

     

    capitalize()

    capitalize() method converts the first character to upper case.

    For example:

    str = "hello world"
    print(str.capitalize())

    The output for the above code will be:

    Hello World
    

     

    casefold()

    casefold() method converts the string into lowercase.

    For example:

    str = "INFOVISTARDOTIN"
    print(str.casefold())

    The output of the above code will be:

    infovistardotin

     

    count()

    count() method returns the number of times a specified character occurs.

    For example:

    str = "InfovistarDotIn"
    print(str.count("o"))

    The output of the above code will be:

    3

     

    endswith()

    endswith() method returns True if the string ends with specified character or values.

    For example:

    str = "InfovistarDotIn"
    print(str.endswith("In"))

    The output of the above code will be:

    True

     

    find()

    find() method searches for a specified value and returns the position of where it was found.

    For example:

    str = "InfovistarDotIn"
    print(str.find("In"))

    The output of the above code will be:

    12

     

    isalpha()

    isalpha() method returns True if all characters in the string are in the alphabet.

    For example:

    str = "InfovistarDotIn"
    print(str.isalpha())

    The output of the above code will be:

    True

     

    isdigit()

    isdigit() method returns True if all characters in the string are in the digits.

    For example:

    str = "InfovistarDotIn"
    print(str.isdigit())

    The output of the above code will be:

    False

     

    isidentifier()

    isidentifier() method returns True if the string is an identifier.

    For example:

    str = "InfovistarDotIn"
    print(str.isidentifier())

    The output of the above code will be:

    True

     

    islower()

    islower() method returns True if characters in the string are lower case.

    For example:

    str = "InfovistarDotIn"
    print(str.islower())

    The output of the above code will be:

    False

     

    isupper()

    isupper() method returns True if characters in the string are upper case.

    For example:

    str = "InfovistarDotIn"
    print(str.isupper())

    The output of the above code will be:

    False

     

    replace()

    replace() method returns a string where a specified value is replaced.

    For example:

    str = "Infovistar?In"
    print(str.replace("?", "Dot"))

    The output of the above code will be:

    InfovistarDotIn

     

    upper()

    upper() method converts a string into an upper case.

    For example:

    str = "InfovistardotIn"
    print(str.upper())

    The output of the above code will be:

    INFOVISTARDOTIN