step

Validates that a number is a multiple of a step value from a base.

Options

Option	Type	Default	Description
step	number	1	The step increment
baseValue	number	0	The base value from which multiples are counted
message	string	locale default	Custom error message

Playground

Valid values

Value	Notes
"5"	Multiple of 5 from base 0
"100"	Multiple of 5
"0"	Base value itself

Invalid values

Value	Reason
"3"	Not a multiple of 5
"5.5"	Not a multiple of step=1 (default)

Notes

• Empty string ("") always returns valid: true. Combine with notEmpty to require a value.
• baseValue shifts the valid range: with baseValue: 1, step: 2, valid values are 1, 3, 5, 7…