This function cleans UK postcode data before returning the relevant section (such as its first part of full postcode).
Arguments
- postcode_value
The postcode data to be cleaned (in the form of 'N1 1AA', 'ME1 2RE' or 'TN12 0QS').
- postcode_type
The relevant section of the postcode to return. Only one section is permitted. Options are:
- full
the full postcode (such as 'N1 1AA')
- region
the first part of the first element of the postcode (such as 'ME' for 'ME1 2RE')
- area
the first element of the postcode (such as 'ME1' for 'ME1 2RE')
- locale
the area and the first part of the second element of the postcode (such as 'ME1 2' for 'ME1 2RE')
