From: Chris Duncan <chris@codecow.com>
Date: Mon, 3 Aug 2026 21:10:19 +0000 (-0700)
Subject: Make hex check case-insensitive.
X-Git-Url: https://git.codecow.com/?a=commitdiff_plain;h=be9eebe3ab415581a735f39eb064aa96f7aa9473;p=libnemo.git

Make hex check case-insensitive.
---

diff --git a/src/index.ts b/src/index.ts
index c1d18a5..a10abd6 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -14,7 +14,7 @@ declare global {
 	type Bytes = Uint8Array<ArrayBuffer> | Buffer<ArrayBuffer>
 	type Hex = HexByte[]
 	type HexByte = `${HexChar}${HexChar}`
-	type HexChar = '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' | 'a' | 'b' | 'c' | 'd' | 'e' | 'f'
+	type HexChar = '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' | 'A' | 'B' | 'C' | 'D' | 'E' | 'F'
 }
 
 export {
diff --git a/src/lib/convert/hex.ts b/src/lib/convert/hex.ts
index df6e08c..e4237c9 100644
--- a/src/lib/convert/hex.ts
+++ b/src/lib/convert/hex.ts
@@ -9,7 +9,7 @@ export const hex = Object.freeze({
 	 * @returns True if input is hex, else false
 	 */
 	is (input: unknown): input is Hex {
-		return typeof input === 'string' && /^([0-9a-f]{2})+$/.test(input)
+		return typeof input === 'string' && /^([0-9A-F]{2})+$/i.test(input)
 	},
 
 	/**