Add RegEx for patients and contacts

sections/contacts.md

@@ -133,12 +133,19 @@ curl https://api.au1.cliniko.com/v1/contacts/1 \
 
 ## Create Contact
 
+**Validation**
+
 When creating a contact, setting the contact's country must be done using the `country_code` parameter.
 This is the [ISO 3166-1](https://en.wikipedia.org/wiki/ISO_3166-1#Current_codes) country code.
 
 A contact's `doctor_type` may be the string value `general_practitioner` or `specialist`. To clear the value,
 set it to `null`.
 
+`email`, if supplied, is validated using the following RegEx in Ruby:
+```ruby
+/\A[A-Z0-9!#$%&'\*+-\/=?^_`{\|}~]+@[A-Z0-9.-]+\.[A-Z]{2,63}\z/i
+```
+
 **Resources**
 
 - `POST /contacts` create a contact
@@ -196,12 +203,19 @@ Headers { Location: http://api.cliniko.com/contacts/1 }
 
 ## Update Contact
 
+**Validation**
+
 When updating a contact, changing the contact's country must be done using the `country_code` parameter.
 This is the [ISO 3166-1](https://en.wikipedia.org/wiki/ISO_3166-1#Current_codes) country code.
 
 A contact's `doctor_type` may be the string value `general_practitioner` or `specialist`. To clear the value,
 set it to `null`.
 
+`email`, if supplied, is validated using the following RegEx in Ruby:
+```ruby
+/\A[A-Z0-9!#$%&'\*+-\/=?^_`{\|}~]+@[A-Z0-9.-]+\.[A-Z]{2,63}\z/i
+```
+
 **Resources**
 
 - `PUT /contacts/:id` update a contact

sections/patients.md

@@ -418,6 +418,13 @@ curl https://api.au1.cliniko.com/v1/patients/1 \
 > The `/patients` endpoint will continue to return a patient's gender, but you may only use the new properties when _creating_ or _updating_ patients. Note that we are not serving the current value of `gender` in either of the new fields - these need to be updated separately, either through the Cliniko UI, or through the API.
 > Find more on why we've made this switch here: [Changes coming to patient gender and sex](https://groups.google.com/a/redguava.com.au/forum/#!topic/cliniko-api/H5fXFk_MH98)
 
+**Validation**
+
+Patient records must have a `first_name` and `last_name`. `email`, if supplied, is validated using the following RegEx in Ruby:
+```ruby
+/\A[A-Z0-9!#$%&'\*+-\/=?^_`{\|}~]+@[A-Z0-9.-]+\.[A-Z]{2,63}\z/i
+```
+
 **Resources**
 
 - `POST /patients` create a patient
@@ -503,6 +510,13 @@ Headers { Location: http://api.cliniko.com/patients/1 }
 > The `/patients` endpoint will continue to return a patient's gender, but you may only use the new properties when _creating_ or _updating_ patients. Note that we are not serving the current value of `gender` in either of the new fields - these need to be updated separately, either through the Cliniko UI, or through the API.
 > Find more on why we've made this switch here: [Changes coming to patient gender and sex](https://groups.google.com/a/redguava.com.au/forum/#!topic/cliniko-api/H5fXFk_MH98)
 
+**Validation**
+
+Patient records must have a `first_name` and `last_name`. `email`, if supplied, is validated using the following RegEx in Ruby:
+```ruby
+/\A[A-Z0-9!#$%&'\*+-\/=?^_`{\|}~]+@[A-Z0-9.-]+\.[A-Z]{2,63}\z/i
+```
+
 **Resources**
 
 - `PUT /patients/:id` update a patient