From fffabe7500e972eb5275199c82a35132a07fa29f Mon Sep 17 00:00:00 2001
From: Robert Hensing <robert@roberthensing.nl>
Date: Tue, 5 Apr 2022 19:14:09 +0200
Subject: [PATCH] lib.sanitizeDerivationName: Simplify regex

`^` and `$` are implicit in `match`.
---
 lib/strings.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/strings.nix b/lib/strings.nix
index 3a61f5be68b6..45d3bcbb440d 100644
--- a/lib/strings.nix
+++ b/lib/strings.nix
@@ -757,7 +757,7 @@ rec {
        => "-nix-store-2g75chlbpxlrqn15zlby2dfh8hr9qwbk-hello-2.10"
   */
   sanitizeDerivationName =
-  let okRegex = match "^[[:alnum:]+_?=-][[:alnum:]+._?=-]*$";
+  let okRegex = match "[[:alnum:]+_?=-][[:alnum:]+._?=-]*";
   in
   string:
   # First detect the common case of already valid strings, to speed those up