Add ValidIranPostalCode rule

Author: kiankamgar

src/Rules/ValidIranPostalCode.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Milwad\LaravelValidate\Rules;
+
+use Illuminate\Contracts\Validation\Rule;
+
+class ValidIranPostalCode implements Rule
+{
+    /**
+     * Check postal code is valid.
+     *
+     * @param  string  $attribute
+     * @param  mixed  $value
+     * @return bool
+     */
+    public function passes($attribute, $value)
+    {
+        return preg_match('/^(?!(\d)\1{3})[13-9]{4}[1346-9][013-9]{5}$/', $value);
+    }
+
+    /**
+     * Get the validation error message.
+     *
+     * @return string
+     */
+    public function message()
+    {
+        return __('validate.postal-code');
+    }
+}