Here i posted a small job , to explain how we use regular expressin in Axapta. Try it. static void RegularExpression_Test() { int nameLength,myStringLength; str myname = “Vasanth”; str myString = “1234″; str formatString , formatString1; System.Text.RegularExpressions.Regex regEx; System.Text.RegularExpressions.Regex regEx1; System.Text.RegularExpressions.Match regMatch; InteropPermission permission = new InteropPermission(InteropKind::ClrInterop); boolean retVal, retVal1; ; nameLength = strLen(myname); myStringLength = strLen(myString); formatString = strfmt(@”^[0-9]{%1}”, myStringLength); formatString1 = strfmt(@”^[a-zA-Z ]{%1}”, nameLength); permission.assert(); //BP Deviation documented regEx = new System.Text.RegularExpression.Regex(formatString); regEx1 = new System.Text.RegularExpression.Regex(formatString1); regMatch = regEx.Match(myString); retVal = regMatch.get_Success(); print retVal; // Returns True; regMatch = regEx1.Match(myname); retVal1 = re...