The equals() method is case-sensitive , meaning that the string “HELLO” is considered to be different from the string “hello”. The == operator does not work reliably with strings. Use == to compare primitive values such as int and char.
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String. equalsIgnoreCase() method compares this String to another String, ignoring case considerations. Two strings are considered equal ignoring case if they are of the same length and corresponding characters in the two strings are equal ignoring case .
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The String. Replace() method allows you to easily replace a substring with another substring, or a character with another character, within the contents of a String object. This method is very handy, but it is always case-sensitive .26 Eyl 2012
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Python strings are case sensitive , so these equality check methods are also case sensitive.
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String comparison is case sensitive by default . Just use operator== for std::string .
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Python string has a built-in lower() method that converts all the characters in the string to the lower case. It returns a string with all the characters converted into lower case alphabets. We can convert two strings to the lower case with the lower() method and then compare them case-insensitively .
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Compare Two Strings Ignoring the Case in C++
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