From 92393862156fad190c05ec3f6e2bc73308dcd2f9 Mon Sep 17 00:00:00 2001
From: imbrn <brunodev02221@gmail.com>
Date: Thu, 30 Jun 2022 23:06:27 -0300
Subject: [PATCH] fix inefficient regular expressions on lowercase and
 uppercase rules

---
 src/v8n.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/v8n.js b/src/v8n.js
index 7072acc..1af2539 100644
--- a/src/v8n.js
+++ b/src/v8n.js
@@ -189,9 +189,15 @@ const availableRules = {
 
   pattern: expected => value => expected.test(value),
 
-  lowercase: () => value => /^([a-z]+\s*)+$/.test(value),
+  lowercase: () => value => {
+    return (
+      typeof value === 'boolean' ||
+      (value === value.toLowerCase() && value.trim() !== '')
+    );
+  },
 
-  uppercase: () => value => /^([A-Z]+\s*)+$/.test(value),
+  uppercase: () => value =>
+    value === value.toUpperCase() && value.trim() !== '',
 
   vowel: () => value => /^[aeiou]+$/i.test(value),