Regading Invoice No in .text file

Question

I have a text file in this format
Purchase
Kale Genset Pvt.Ltd. Invoice No. I Dated
392/1, Mahalunge Ingaie, Feb 08/Pur/18 12-Feb-2008
Chakan - Talegaon Road, Supplier's Ref Other Reference(s)
Taluka - Khed, District - Une, � 2846
H No: 02135 - 259120 Buyer's Order No. Dated
ATSPL/ECP/KAR/083 24-Jan-2008
Consignee
Aster Teleservices Pvt.Ltd-ECP Kar - C
No 6/1,2nd Floor,l6th Cross,
GDP-Extension,Vyalikaval,
, Malleswaram,Bangalore - 3
i want to extract the Invoice no and Invoice Date details from the .txt file
I tried in the following way for Invoice No and Invoice Date but unable to suceed
Matcher m1=Pattern.compile(("(Invoice\\s+no\\.\\s+dated([\\s\\S]+?)\\s+(\\d?\\d-[a-z]{3}-\\d{4}))"),Pattern.CASE_INSENSITIVE).matcher(line1);
//Pattern Match for Invoice No and Invoice Date is performed here
while(m1.find())
System.out.println("Invoice No "+m1.group(2));//For Invoice No
System.out.println("Invoice Date "+m1.group(3));//For Invoice Date
break;
Any suggestions please
Regards
V.Praveen

Answer 1

praveenmca09 wrote:
when i execute the code my output will be
392/1, Mahalunge Ingaie, Feb 08/Pur/18
but i need to get only "Feb08/Pur/18"
as it is the Invoice Number
But iam ok with the Invoice Date as it is printing exactlyHere's an example of a working pattern:
public class Example {
    public static void main(String args[]) {
        String data = "Purchase\n" +
            "Kale Genset Pvt.Ltd. Invoice No. I Dated\n" +
            "392/1, Mahalunge Ingaie, Feb 08/Pur/18 12-Feb-2008\n" +
            "Chakan - Talegaon Road, Supplier's Ref Other Reference(s)\n" +
            "Taluka - Khed, District - Une, 2846\n" +
            "H No: 02135 - 259120 Buyer's Order No. Dated\n" +
            "ATSPL/ECP/KAR/083 24-Jan-2008\n" +
            "Consignee\n" +
            "Aster Teleservices Pvt.Ltd-ECP Kar - C\n" +
            "No 6/1,2nd Floor,l6th Cross,\n" +
            "GDP-Extension,Vyalikaval,\n" +
            ", Malleswaram,Bangalore - 3\n";
            Pattern pattern = Pattern.compile("(\\d{2}/\\D{3}/\\d{2})\\s+(\\d{1,2}-\\D{3}-\\d{4})", Pattern.DOTALL);
            Matcher matcher = pattern.matcher(data);
            if (matcher.find()) {
                System.out.println("no " + matcher.group(1));
                System.out.println("date " + matcher.group(2));
}Kaj