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node_modules/is-what/dist/isHexDecimal.js

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+import { isString } from './isString.js';
+/**
+ * Checks if a string is a valid hexadecimal string. If a length is provided, it also checks that
+ * the string has that length.
+ */
+export function isHexDecimal(payload, length) {
+    if (!isString(payload))
+        return false;
+    if (!/^[0-9a-fA-F]+$/.test(payload))
+        return false;
+    return length === undefined || payload.length === length;
+}