Script Library
User Defined Functions
Function ƒx Description
ISVALIDEMAIL
Validates if Email ID is structurally correct or not
ISVALIDGSTN
Validates if GST Number is structurally correct or not
ISVALIDMOBILE
Validates if Mobile is structurally correct or not
ISVALIDPAN
Validates if PAN is structurally correct or not
  Excel (VBA)
 Google Sheet (Apps Script)