Fix regex

Author: BellringerQuinn

Assets/SequenceSDK/Ethereum/Tests/ABIRegexTests.cs

@@ -32,6 +32,10 @@ public void TestMatchesFunctionName(string input, bool expected)
         [TestCase("functionName(a,)", false)]
         [TestCase("functionName() ", false)]
         [TestCase("function_-123Name()", true)]
+        [TestCase("function_-123Name(int[])", true)]
+        [TestCase("functionName(a[],a)", true)]
+        [TestCase("functionName(a[5],a)", true)]
+        [TestCase("functionName(a[][],a)", true)]
         public void TestMatchesFunctionABI(string input, bool expected)
         {
             bool result = ABIRegex.MatchesFunctionABI(input);

Packages/Sequence-Unity/Sequence/SequenceSDK/Ethereum/Contract/ABIRegex.cs

@@ -4,7 +4,7 @@ public static class ABIRegex
     {
 
         public const string FunctionNameRegex = @"^[A-Z|a-z|_,-|0-9]+$";
-        public const string FunctionABIRegex = @"^[A-Z|a-z|_,-|0-9]+\(([A-Z|a-z|0-9]+(, *[A-Z|a-z|0-9]+)*)?\)$";
+        public const string FunctionABIRegex = @"^[A-Z|a-z|_,-|0-9]+\(([A-Za-z0-9\[\]]+(, *[A-Za-z0-9\[\]]+)*)?\)$";
 
         public static bool MatchesFunctionName(string input)
         {