diff --git a/binaries/data/mods/mod/gui/modmod/validatemod.js b/binaries/data/mods/mod/gui/modmod/validatemod.js
index ac7fe48ee2..e74307f8e3 100644
--- a/binaries/data/mods/mod/gui/modmod/validatemod.js
+++ b/binaries/data/mods/mod/gui/modmod/validatemod.js
@@ -38,7 +38,7 @@ const g_ModProperties = {
 /**
  * Tests if the string only contains alphanumeric characters and _ -
  */
-const g_RegExpName = /[a-zA-Z0-9\-\_]+/;
+const g_RegExpName = /[a-zA-Z0-9\-_]+/;
 
 /**
  * Tests if the version string consists only of numbers and at most two periods.
diff --git a/binaries/data/mods/public/gui/common/functions_utility.js b/binaries/data/mods/public/gui/common/functions_utility.js
index fd2d417360..f51c9896ba 100644
--- a/binaries/data/mods/public/gui/common/functions_utility.js
+++ b/binaries/data/mods/public/gui/common/functions_utility.js
@@ -67,7 +67,7 @@ function escapeText(text)
 
 function unescapeText(text)
 {
-	return text.replace(/\\\\/g, "\\").replace(/\\\[/g, "\[");
+	return text.replace(/\\\\/g, "\\").replace(/\\\[/g, "[");
 }
 
 /**
diff --git a/binaries/data/mods/public/gui/common/gamedescription.js b/binaries/data/mods/public/gui/common/gamedescription.js
index 110d3ac3a3..5adc823c56 100644
--- a/binaries/data/mods/public/gui/common/gamedescription.js
+++ b/binaries/data/mods/public/gui/common/gamedescription.js
@@ -20,7 +20,7 @@ var g_BuddyListDelimiter = ",";
  */
 function splitRatingFromNick(playerName)
 {
-	const result = /^(\S+)\ \((\d+)\)$/g.exec(playerName);
+	const result = /^(\S+) \((\d+)\)$/g.exec(playerName);
 	return { "nick": result ? result[1] : playerName, "rating": result ? +result[2] : "" };
 }
 
diff --git a/binaries/data/mods/public/gui/manual/manual.js b/binaries/data/mods/public/gui/manual/manual.js
index be410c416a..56424e6778 100644
--- a/binaries/data/mods/public/gui/manual/manual.js
+++ b/binaries/data/mods/public/gui/manual/manual.js
@@ -6,7 +6,7 @@ function init()
 	const hotkeys = Engine.GetHotkeyMap();
 
 	// Replace anything starting with 'hotkey.' with its hotkey.
-	mainText.caption = text.replace(/hotkey\.([a-z0-9_\.]+)/g, (_, k) => formatHotkeyCombinations(hotkeys[k]));
+	mainText.caption = text.replace(/hotkey.([a-z0-9_.]+)/g, (_, k) => formatHotkeyCombinations(hotkeys[k]));
 
 	return new Promise(closePageCallback => {
 		Engine.GetGUIObjectByName("closeButton").onPress = closePageCallback;
diff --git a/eslint.config.mjs b/eslint.config.mjs
index b50877c430..2663892791 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -79,6 +79,7 @@ const configEslintRecommended = {
 		/* "no-unused-vars": "warn", */
 		"no-useless-backreference": "warn",
 		"no-useless-catch": "warn",
+		"no-useless-escape": "warn",
 		"no-with": "warn",
 		"use-isnan": "warn",
 		"valid-typeof": "warn",