import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "[0-3]?\\d([\\,\\-\\/ ])(?<Bulan>(?<Januari>[Jj]an|[Jj]anuari)|(?<Februari>[Ff]ebruari|[Ff]eb)|(?<Maret>[Mm]aret|[Mm]ar)|(?<April>[Aa]pril|[Aa]pr)|(?<Mei>[Mm]ei|[Mm]ay)|(?<Juni>[Jj]uni|[Jj]une)|(?<Juli>[Jj]uli|[Jj]uly)|(?<Agustus>[Aa]gustus|[Aa]ug)|(?<September>[Ss]eptember|[Ss]ept)|(?<Oktober>[Oo]ktober|[Oo]ct)|(?<November>[Nn]ovember|[Nn]ov)|(?<Desember>[Dd]esember|[Dd]ec))\\1([12]\\d{3}|\\d{2})";
final String string = "12-Maret-2021";
final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE);
final Matcher matcher = pattern.matcher(string);
while (matcher.find()) {
System.out.println("Full match: " + matcher.group(0));
for (int i = 1; i <= matcher.groupCount(); i++) {
System.out.println("Group " + i + ": " + matcher.group(i));
}
}
}
}
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