Context

• node version: 8.6.0
• joi version: 15.0.2 (types/hapi__joi: 15.0.1)
• environment (node, browser): node
• used with (hapi, standalone, ...): standalone
• any other relevant information:

What are you trying to achieve or the steps to reproduce ?

I'm trying to validate a positive number, and I expect ".30" to be valid since isNan(".30") == false.

Joi.number().validate(".30")

Which result you had ?

error: ValidationError: "value" must be a number

What did you expect ?

error to be null

Please let me know if you need any additional information.