import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = ",\n"
+ "(?P<CompanyName>\\b(?:(?!\\d{3,})[A-Z\\d ])+\\b)\\s+\n"
+ "(?P<Reference>\\b\\d{1,18}\\b)\\s+\n"
+ "(?P<Type>[A-Z]+)";
final String string = ",11/12/2017,00-87-67 34849444,-27.00,ITEMRECEIVED,H2G2 929613292012071217 REF\n"
+ ",02/01/2018,00-87-68 58493922,-1110.79,ITEMSENT,MIL P01 WOOLLIES 9221234545 DEG\n";
final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE | Pattern.COMMENTS);
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