This section describes the method to set the patter is either case sensitive or not. Actually, by default the patter is in the case sensitive. Whenever it need to be set for the case insensitivity then you have to use the appropriate code followed in following program.
Pattern pattern = Pattern.compile(str,
Above code is used for setting the pattern case insensitive because the pattern is by default in case sensitive mode. By passing the Pattern.CASE_INSESITIVE field of the Pattern class is passed with the string, which has to be compiled for searching, as a parameter of the compile() method of the class.
Here is the code of the program:
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