adjust regex for function and event names

packages/core/src/internal/utils/identifier-validators.ts

@@ -13,8 +13,10 @@ const solidityIdentifierRegex = /^[a-zA-Z$_][a-zA-Z0-9$_]*$/;
 /**
  * A regex capturing the solidity identifier rule but extended to support
  * the `myfun(uint256,bool)` parameter syntax
+ *
+ * This *could* be even stricter, but it works for now and covers obvious mistakes
  */
-const functionNameRegex = /^[a-zA-Z$_][a-zA-Z0-9$_,()]*$/;
+const functionNameRegex = /^[a-zA-Z0-9$_]*(\([a-zA-Z0-9$_,\[\]]*\))?$/;
 
 /**
  * Does the identifier match Ignition's rules for ids. Specifically that they

packages/core/test/validations/identifier-validators.ts

@@ -0,0 +1,21 @@
+import { assert } from "chai";
+
+import { isValidFunctionOrEventName } from "../../src/internal/utils/identifier-validators";
+
+describe("isValidFunctionOrEventName", () => {
+  it("should return true for valid solidity function names", () => {
+    assert.isTrue(isValidFunctionOrEventName("myFunction"));
+    assert.isTrue(isValidFunctionOrEventName("myFunction()"));
+    assert.isTrue(isValidFunctionOrEventName("myFunction(uint256)"));
+    assert.isTrue(isValidFunctionOrEventName("myFunction(uint256)"));
+    assert.isTrue(isValidFunctionOrEventName("myFunction(uint256,bool)"));
+    assert.isTrue(isValidFunctionOrEventName("myFunction(uint256[],bool)"));
+  });
+
+  it("should return false for invalid solidity function names", () => {
+    assert.isFalse(isValidFunctionOrEventName("myFunction("));
+    assert.isFalse(isValidFunctionOrEventName("myFunction(uint)256"));
+    assert.isFalse(isValidFunctionOrEventName("myFunction(uint256"));
+    assert.isFalse(isValidFunctionOrEventName("myFunctionuint256)"));
+  });
+});