LyStringIsBase64 constructor

LyStringIsBase64(
  1. String message
)

Validation that requires a string to be base64 encoded.

If the value is not base64 encoded, the message is returned.

Example:

final validator = StringIsBase64('Invalid base64');
final result = validation('YWJj123');
print(result); // Invalid base64

Implementation

LyStringIsBase64(super.message);