GSTValidator class
Validator for Indian GST (Goods and Services Tax) numbers.
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Methods
-
calculateChecksum(
String gstPrefix) → String? - Calculates and returns the check character for a 14-character GST prefix.
-
extractPAN(
String? gst) → String? - Gets the PAN number embedded in the GST number.
-
getGSTState(
String? gst) → String? - Gets the state name from a GST number.
-
getGSTStateCode(
String? gst) → int? - Gets the state code from a GST number.
-
isGST(
String? gst, {bool verifyChecksum = true}) → bool - Validates if a string is a valid GST number with checksum verification.
-
validateGST(
String? gst, {bool verifyChecksum = true}) → String? - Validates GST and returns error message if invalid.