Python string casefold














































Python string casefold



Python String : casefold()


This article demonstrates how to use of casefold() method in string.

The casefold() method is an aggressive lower() method which converts strings to case folded strings for caseless matching.

The casefold() method removes all case distinctions present in a string . It is used for caseless matching, i.e. ignores cases when comparing.

For example, the German lowercase letter  is equivalent to ss. However, since  is already lowercase, the lower() method does nothing to it. But, casefold() converts it to ss.


Syntax :

string.casefold()


Parameter Values :

The casefold() doesn't take any parameters.

Returns :

The casefold() method returns the case folded string.



Sample Code :

1.
string = "CPPSECRETS"

# print lowercase string
print("Lowercase string:", string.casefold())
Output :
Lowercase string: cppsecrets


2.
firstString = "der Flu"
secondString = "der Fluss"

#  is equivalent to ss
if firstString.casefold() == secondString.casefold():
    print('The strings are equal.')
else:
    print('The strings are not equal.')
Output :
The strings are equal.


Hence,we can see above function casefold() translates string according to translation table str(256 chars), removing those in the del string.



**********END OF ARTICLE **********


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