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Java regex string replace example (case insensitive) 

Dr. Xi
Joined:
04/09/2007
Posts:
753

November 11, 2011 13:59:46    Last update: November 11, 2011 13:59:46
This is an example to replace a Java string with case insensitive match.
Code: 
public class ReplaceTest {
    public static void main(String[] args) {
	String s = "Test TEST tEst tESt Test";
	System.out.println(s.replaceFirst("Test", "Done"));
	System.out.println(s.replaceFirst("test", "Done"));
	System.out.println(s.replaceFirst("(?i)test", "Done"));
	System.out.println(s.replaceAll("(?i)test", "Done"));
    }
}

Output: 
Done TEST tEst tESt Test
Test TEST tEst tESt Test
Done TEST tEst tESt Test
Done Done Done Done Done

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