diff --git a/src/Scriban.Tests/TestFiles/400-builtins/400-builtins.out.txt b/src/Scriban.Tests/TestFiles/400-builtins/400-builtins.out.txt
index 76eb3017..0c54f1e1 100644
--- a/src/Scriban.Tests/TestFiles/400-builtins/400-builtins.out.txt
+++ b/src/Scriban.Tests/TestFiles/400-builtins/400-builtins.out.txt
@@ -45,6 +45,7 @@ List of all the builtin <string> functions:
  downcase
  empty
  ends_with
+ equals_ignore_case
  escape
  handleize
  hmac_sha1
diff --git a/src/Scriban.Tests/TestFiles/400-builtins/430-string.out.txt b/src/Scriban.Tests/TestFiles/400-builtins/430-string.out.txt
index e85ef160..b476357d 100644
--- a/src/Scriban.Tests/TestFiles/400-builtins/430-string.out.txt
+++ b/src/Scriban.Tests/TestFiles/400-builtins/430-string.out.txt
@@ -84,3 +84,5 @@ Test Convert from string to numbers:
 "123.2" | string.to_double + 1: 124.2
 hello     world
 hello     world
+Is "Scriban" equal to "SCRIBAN": true
+Is "Scriban" equal to "Liquid": false
diff --git a/src/Scriban.Tests/TestFiles/400-builtins/430-string.txt b/src/Scriban.Tests/TestFiles/400-builtins/430-string.txt
index 3f7209c7..57ad2fba 100644
--- a/src/Scriban.Tests/TestFiles/400-builtins/430-string.txt
+++ b/src/Scriban.Tests/TestFiles/400-builtins/430-string.txt
@@ -84,3 +84,5 @@ Test Convert from string to numbers:
 "123.2" | string.to_double + 1: {{ "123.2" | string.to_double + 1 }}
 {{ "hello" | string.pad_right 10 }}world
 hello{{ "world" | string.pad_left 10 }}
+Is "Scriban" equal to "SCRIBAN": {{ "Scriban" | string.equals_ignore_case "SCRIBAN" }}
+Is "Scriban" equal to "Liquid": {{ "Scriban" | string.equals_ignore_case "Liquid" }}
diff --git a/src/Scriban/Functions/StringFunctions.cs b/src/Scriban/Functions/StringFunctions.cs
index 75c14e83..ee6171ef 100644
--- a/src/Scriban/Functions/StringFunctions.cs
+++ b/src/Scriban/Functions/StringFunctions.cs
@@ -305,6 +305,25 @@ public static bool EndsWith(string text, string value)
             return text.EndsWith(value);
         }
 
+        /// <summary>
+        /// Returns a boolean indicating whether the input string is equal to specified string 'value'. Comparison is case insensitive.
+        /// </summary>
+        /// <param name="text">The input string</param>
+        /// <param name="value">The string to compare</param>
+        /// <returns><c>true</c> if `text` is equal to string `value`, ignoring case</returns>
+        /// <remarks>
+        /// ```scriban-html
+        /// {{ "Scriban" | string.equals_ignore_case "SCRIBAN" }}
+        /// ```
+        /// ```html
+        /// true
+        /// ```
+        /// </remarks>
+        public static bool EqualsIgnoreCase(string text, string value)
+        {
+            return text?.Equals(value, StringComparison.InvariantCultureIgnoreCase) ?? false;
+        }
+
         /// <summary>
         /// Returns a url handle from the input string.
         /// </summary>
diff --git a/src/Scriban/Runtime/CustomFunction.Generated.cs b/src/Scriban/Runtime/CustomFunction.Generated.cs
index b47a57f8..9342de5c 100644
--- a/src/Scriban/Runtime/CustomFunction.Generated.cs
+++ b/src/Scriban/Runtime/CustomFunction.Generated.cs
@@ -27,6 +27,7 @@ static DynamicCustomFunction()
             BuiltinFunctionDelegates.Add(typeof(Scriban.Functions.MathFunctions).GetMethod(nameof(Scriban.Functions.MathFunctions.IsNumber), BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly), method => new Functionbool_object(method));
             BuiltinFunctionDelegates.Add(typeof(Scriban.Functions.StringFunctions).GetMethod(nameof(Scriban.Functions.StringFunctions.Contains), BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly), method => new Functionbool_string_string(method));
             BuiltinFunctionDelegates.Add(typeof(Scriban.Functions.StringFunctions).GetMethod(nameof(Scriban.Functions.StringFunctions.EndsWith), BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly), method => new Functionbool_string_string(method));
+            BuiltinFunctionDelegates.Add(typeof(Scriban.Functions.StringFunctions).GetMethod(nameof(Scriban.Functions.StringFunctions.EqualsIgnoreCase), BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly), method => new Functionbool_string_string(method));
             BuiltinFunctionDelegates.Add(typeof(Scriban.Functions.StringFunctions).GetMethod(nameof(Scriban.Functions.StringFunctions.StartsWith), BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly), method => new Functionbool_string_string(method));
             BuiltinFunctionDelegates.Add(typeof(Scriban.Functions.StringFunctions).GetMethod(nameof(Scriban.Functions.StringFunctions.Empty), BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly), method => new Functionbool_string(method));
             BuiltinFunctionDelegates.Add(typeof(Scriban.Functions.StringFunctions).GetMethod(nameof(Scriban.Functions.StringFunctions.Whitespace), BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly), method => new Functionbool_string(method));