From 3eee6e7d3cf4bf4b8f38bbbd247a4e0c3f1e99d9 Mon Sep 17 00:00:00 2001
From: emme1t <149944796+emme1t@users.noreply.github.com>
Date: Fri, 11 Sep 2026 22:51:34 -0700
Subject: [PATCH] fix(isRgbColor): keep numeric values contiguous when allowing
 spaces

---
 src/lib/isRgbColor.js   |  3 ++-
 test/validators.test.js | 28 ++++++++++++++++++++++++++++
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/src/lib/isRgbColor.js b/src/lib/isRgbColor.js
index e9fb60253..ea896af6f 100644
--- a/src/lib/isRgbColor.js
+++ b/src/lib/isRgbColor.js
@@ -6,6 +6,7 @@ const rgbaColor = /^rgba\((([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5]),){
 const rgbColorPercent = /^rgb\((([0-9]%|[1-9][0-9]%|100%),){2}([0-9]%|[1-9][0-9]%|100%)\)$/;
 const rgbaColorPercent = /^rgba\((([0-9]%|[1-9][0-9]%|100%),){3}(0?\.\d+|1(\.0+)?|0(\.0+)?)\)$/;
 const startsWithRgb = /^rgba?/;
+const whitespaceWithinValue = /[\d.]\s+[\d.%]/;
 
 export default function isRgbColor(str, options) {
   assertString(str);
@@ -24,7 +25,7 @@ export default function isRgbColor(str, options) {
 
   if (allowSpaces) {
     // make sure it starts with continuous rgba? without spaces before stripping
-    if (!startsWithRgb.test(str)) {
+    if (!startsWithRgb.test(str) || whitespaceWithinValue.test(str)) {
       return false;
     }
     // strip all whitespace
diff --git a/test/validators.test.js b/test/validators.test.js
index 98d2a12ff..090312a6c 100644
--- a/test/validators.test.js
+++ b/test/validators.test.js
@@ -5361,6 +5361,34 @@ describe('Validators', () => {
     });
   });
 
+  it('should keep RGB color values contiguous when allowing spaces', () => {
+    [true, false].forEach((includePercentValues) => {
+      test({
+        validator: 'isRgbColor',
+        args: [{ allowSpaces: true, includePercentValues }],
+        valid: [
+          'rgb( 255 , 0 , 0 )',
+          'rgba(255,\t0,\n0, .125)',
+        ],
+        invalid: [
+          'rgb(2 55,0,0)',
+          'rgb(0,2\t55,0)',
+          'rgb(0,0,2\n55)',
+          'rgba(0,0,0,0 .5)',
+          'rgba(0,0,0,0. 5)',
+          'rgba(0,0,0,. 5)',
+        ],
+      });
+    });
+
+    test({
+      validator: 'isRgbColor',
+      args: [{ allowSpaces: true }],
+      valid: ['rgb( 25% , 50% , 100% )'],
+      invalid: ['rgb(2 5%,0%,0%)', 'rgb(25 %,0%,0%)'],
+    });
+  });
+
   it('should validate ISRC code strings', () => {
     test({
       validator: 'isISRC',