SAP ABSL validation snippet for Indian PAN Number

sap-snippet-validation-pan-number.absl

// https://help.sap.com/viewer/cbcebe3cfb1647a8b0322c18dbb0b481/2019.11/en-US/7594ffd473e21014b19dc98f75a551c4.html?q=findregex
// https://help.sap.com/doc/abapdocu_751_index_htm/7.51/en-US/abenregex_syntax_specials.htm
// https://answers.sap.com/questions/10845683/sap-hrabap-pan-card-validation-check-in-pa-30-subt.html

var valid = true;
var CurrentCommon = this.Common.GetFirst();

if (CurrentCommon.IsSet())
{
	var PAN_NO = CurrentCommon.PAN_NO;
	if (!PAN_NO.Trim().IsInitial())
	{
		if (PAN_NO.Length() > 10 || PAN_NO.Length() < 10)
		{
			raise MsgPAN_NOLength.Create("E"); // Pan No. are fixed 10 chars values
			valid = false;
		}
		else if (PAN_NO.FindRegex("[a-zA-Z]{5}[[:digit:]]{4}[a-zA-Z]{1}") != 0)
		{
			raise MsgPAN_NORegex.Create("E"); // Enter Valid Pan No. in the format 5char/4Numeric/1char
			valid = false;
		}
	}
}

return valid;

In your BO definition declare 2 messages:

message MsgPAN_NOLength text "PAN No. are fixed 10 chars values";
message MsgPAN_NOLength text "Enter Valid PAN No. in format 5char/4Numeric/1char";

and remember the raise declaration

businessobject YourXXXBO raises MsgPAN_NOLength , MsgPAN_NOLength { ... }