Returns a validation function to validate that a number is greater than or equal to the min value, if given. Inclusive version of lowerBoundValidator.
Note: null values count as valid.
Optional
The minimum allowed value.
A custom error message to display if the value is invalid.
Returns a validation function to validate that a number is greater than or equal to the min value, if given. Inclusive version of lowerBoundValidator.
Note: null values count as valid.