From c3059fe899b9a20b697406f9e2f1f5a07704e9ef Mon Sep 17 00:00:00 2001
From: Aadhavan Srinivasan <aadhavan@twomorecents.org>
Date: Thu, 30 Jan 2025 13:47:48 -0500
Subject: [PATCH] Return a new error instead of rethrowing a non-existent error

---
 regex/compile.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/regex/compile.go b/regex/compile.go
index ebcb318..5fa56af 100644
--- a/regex/compile.go
+++ b/regex/compile.go
@@ -627,7 +627,7 @@ func shuntingYard(re string, flags ...ReFlag) ([]postfixNode, error) {
 								case "word": // Word characters
 									nodeToAdd, _ = newEscapedNode('w', true) // This isn't going to error, so I suppress it
 								default:
-									return nil, err
+									return nil, fmt.Errorf("invalid POSIX character class")
 								}
 								chars = append(chars, nodeToAdd)
 								i = temp_i + len(posixClass) + 2 // Skip over the class name, the closing colon and the closing bracket