* CLDC-3227: Add soft validation for reason other when it's likely a standard category
* CLDC-3227: Add hard validation for homeless indicators in other reason for leaving last settled home
* CLDC-3227: Update hard validation regex to ignore all non alphabet characters surrounding a match
* CLDC-3227: Add unit tests
* Refactor household validations spec to remove dependancy on fake 2021 form
* Add card number to question
* Move informative text to translations as well
* CLDC-3227: Allow neighbouring non-alphabet characters in soft validation check
* Remove debug lines
* Remove blank line
* Remove bonus whitespace
* Deal with appearance in csv export
* Only do regexp.union once
* Fix informative text in value check
Rachael Booth