diff --git a/src/webui/www/eslint.config.mjs b/src/webui/www/eslint.config.mjs
index 1e84f9d6e..ba6f91a0d 100644
--- a/src/webui/www/eslint.config.mjs
+++ b/src/webui/www/eslint.config.mjs
@@ -2,9 +2,11 @@ import Globals from 'globals';
 import Html from 'eslint-plugin-html';
 import Js from '@eslint/js';
 import Stylistic from '@stylistic/eslint-plugin';
+import * as RegexpPlugin from 'eslint-plugin-regexp';
 
 export default [
     Js.configs.recommended,
+    RegexpPlugin.configs["flat/recommended"],
     Stylistic.configs["disable-legacy"],
     {
         files: [
@@ -20,6 +22,7 @@ export default [
         },
         plugins: {
             Html,
+            RegexpPlugin,
             Stylistic
         },
         rules: {
diff --git a/src/webui/www/package.json b/src/webui/www/package.json
index 7b11828f0..975a90014 100644
--- a/src/webui/www/package.json
+++ b/src/webui/www/package.json
@@ -14,6 +14,7 @@
     "@stylistic/eslint-plugin": "*",
     "eslint": "*",
     "eslint-plugin-html": "*",
+    "eslint-plugin-regexp": "*",
     "html-validate": "*",
     "i18next-parser": "*",
     "js-beautify": "*",
diff --git a/src/webui/www/private/scripts/client.js b/src/webui/www/private/scripts/client.js
index 5b612aeea..496ca43da 100644
--- a/src/webui/www/private/scripts/client.js
+++ b/src/webui/www/private/scripts/client.js
@@ -1527,8 +1527,8 @@ window.addEventListener("DOMContentLoaded", function() {
                         return lowercaseStr.startsWith("http:")
                             || lowercaseStr.startsWith("https:")
                             || lowercaseStr.startsWith("magnet:")
-                            || ((str.length === 40) && !(/[^0-9A-Fa-f]/.test(str))) // v1 hex-encoded SHA-1 info-hash
-                            || ((str.length === 32) && !(/[^2-7A-Za-z]/.test(str))); // v1 Base32 encoded SHA-1 info-hash
+                            || ((str.length === 40) && !(/[^0-9A-F]/i.test(str))) // v1 hex-encoded SHA-1 info-hash
+                            || ((str.length === 32) && !(/[^2-7A-Z]/i.test(str))); // v1 Base32 encoded SHA-1 info-hash
                     });
 
                 if (urls.length <= 0)
diff --git a/src/webui/www/private/scripts/misc.js b/src/webui/www/private/scripts/misc.js
index 7ca895ae3..529d19e70 100644
--- a/src/webui/www/private/scripts/misc.js
+++ b/src/webui/www/private/scripts/misc.js
@@ -143,7 +143,7 @@ window.qBittorrent.Misc = (function() {
      * JS counterpart of the function in src/misc.cpp
      */
     const parseHtmlLinks = function(text) {
-        const exp = /(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#/%?=~_|!:,.;]*[-A-Z0-9+&@#/%=~_|])/ig;
+        const exp = /(\b(https?|ftp|file):\/\/[-\w+&@#/%?=~|!:,.;]*[-\w+&@#/%=~|])/gi;
         return text.replace(exp, "<a target='_blank' rel='noopener noreferrer' href='$1'>$1</a>");
     };