refactor: make brazilian postal code separator optional (validatorjs#2493)

Author: ticmaisdev

src/lib/isPostalCode.js

@@ -14,7 +14,7 @@ const patterns = {
   BA: /^([7-8]\d{4}$)/,
   BE: fourDigit,
   BG: fourDigit,
-  BR: /^\d{5}-\d{3}$/,
+  BR: /^\d{5}-?\d{3}$/,
   BY: /^2[1-4]\d{4}$/,
   CA: /^[ABCEGHJKLMNPRSTVXY]\d[ABCEGHJ-NPRSTV-Z][\s\-]?\d[ABCEGHJ-NPRSTV-Z]\d$/i,
   CH: fourDigit,

test/validators.test.js

@@ -12742,6 +12742,9 @@ describe('Validators', () => {
           '39100-000',
           '22040-020',
           '39400-152',
+          '39100000',
+          '22040020',
+          '39400152',
         ],
         invalid: [
           '79800A12',