Tighten outcode regex

Author: cblanc

index.js

@@ -1,8 +1,8 @@
 "use strict";
 
-var validationRegex = /^[a-z][a-z\d]{1,3}\s*?\d[a-z]{2}$/i,
+var validationRegex = /^[a-z]([a-z]\d[a-z]|\d[a-z]|\d|\d\d|[a-z]\d|[a-z]\d\d)\s*?\d[a-z]{2}$/i,
 		incodeRegex = /\d[a-z]{2}$/i,
-		validOutcodeRegex = /^[a-z][a-z\d]{1,3}$/i,
+		validOutcodeRegex = /^[a-z]([a-z]\d[a-z]|\d[a-z]|\d|\d\d|[a-z]\d|[a-z]\d\d)$/i,
 		areaRegex = /^[a-z]{1,2}/i,
 		districtSplitRegex = /^([a-z]{1,2}\d)([a-z])$/i,
 		sectorRegex = /^[a-z][a-z\d]{1,3}\s*?\d/i,

package.json

@@ -1,6 +1,6 @@
 {
   "name": "postcode",
-  "version": "0.2.4",
+  "version": "0.2.5",
   "description": "UK Postcode helper methods",
   "main": "index.js",
   "directories": {

tests/data/validation.json

@@ -36,6 +36,10 @@
 			"base" : "MA1 1AA",
 			"expected" : true
 		},
+		{
+			"base" : "EH1 JS",
+			"expected" : false
+		},
 		{
 			"base" : "BT35 8GE",
 			"expected" : true