import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "(?:፻|(?<!፻|^)\\G)(?=.*፻)([^\\S\\n]*)([^\\s፻]+)(?:([^\\S\\n]*)፻)?";
final String string = "፻this test works፻\n"
+ "፻this test will now work፻\n\n"
+ "፻simple፻\n\n"
+ "this is an ፻ extra far more challenging ፻ case with more ፻ than just one match ፻ and even some ፻interleaved whitespace፻, behold!";
final String subst = "$1፻$2$3";
final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE);
final Matcher matcher = pattern.matcher(string);
// The substituted value will be contained in the result variable
final String result = matcher.replaceAll(subst);
System.out.println("Substitution result: " + result);
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Java, please visit: https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html