alphaNumeric

Makes sure the field under validation is alpha numeric only. The regex used is /^[a-z0-9]+$/i.

const rules = {
  username: 'alpha_numeric'
}

// or
const rules = {
  username: [
    rule('alpha_numeric')
  ]
}

For customized build, you can import this rule as follows.

import { alphaNumeric } from 'indicative/builds/validations'