import java.util.regex.Matcher;
import java.util.regex.Pattern;
 
class TestClass {
 
    private static final Pattern MY_PATTERN = Pattern.compile("my|regex");
 
    public static void main(final String args[]) {
        final StringBuilder builder = new StringBuilder("This is my, not your, regex!");
 
        final Matcher m = TestClass.MY_PATTERN.matcher(builder);
        builder.replace(0, builder.length(), m.replaceAll("<b>$0</b>"));
 
        System.out.println(builder);
    }
 
}
 

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