hapijs/joi — pull request #418 by carsy (2014-09-02 09:38:06+00:00)
Title: string().isoDate() validating yyyy-mm-dd

The regex introduced by #138 does not contemplate, e.g., the case of yyyy-mm-dd which is a valid format according to http://www.w3.org/TR/NOTE-datetime

The package https://www.npmjs.org/package/isostring does a fine job at validating this format.