budibase/packages/builder/src/helpers/validation/validators.js

export function emailValidator (value) {
    return (value && !!value.match(/^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/)) || 'Please enter a valid email'
  }

export function requiredValidator (value) {
    return (value !== undefined && value !== null && value !== '') || 'This field is required'
  }