Yes. Collection membership is case sensitive. This applies to Sets: If the set contains String elements, the elements are case-sensitive .
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Java String equalsIgnoreCase() Method The equalsIgnoreCase() method compares two strings, ignoring lower case and upper case differences. This method returns true if the strings are equal, and false if not. Tip: Use the compareToIgnoreCase() method to compare two strings lexicographically, ignoring case differences.
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No, there isn’t . But if you explain what you’re trying to do, we can probably suggest an alternative approach that would do what you need. To perform case-insensitive matching in Java, you can use String.
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Returns a substring of this string that starts at the specified startIndex and continues to the end of the string . Returns the substring of this string starting at the startIndex and ending right before the endIndex.
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To check if a string contains specified string in Kotlin, use String. contains() method . Given a string str1 , and if we would like to check if the string str2 is present in the string str1 , call contains() method on string str1 and pass the the string str2 as argument to the method as shown below.
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Check whether a string contains a substring in Kotlin
Read moreHow do you check if a string contains another string in a case insensitive manner in Java?
toLowerCase() One of the easiest ways to check if a String has a substring without considering the case is to convert all the Strings to lowercase and then check for a substring . To check for a substring, we use the contains() method, and for converting the String to lowercase, we use the toLowerCase() method.
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