checkValidUPIId static method

bool checkValidUPIId(
  1. String upiId
)

Check if string is a valid Indian UPI ID

upiId - The UPI ID to validate Returns true if UPI ID is valid

Implementation

static bool checkValidUPIId(String upiId) {
  // UPI format: username@bankname or username@paytm, etc.
  final upiRegex = RegExp(r'^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+$');
  return upiRegex.hasMatch(upiId);
}