chore: update to version 14.0.11 and align website URLs

packages/util/is/hex.js

@@ -0,0 +1,23 @@
+export const REGEX_HEX_PREFIXED = /^0x[\da-fA-F]+$/;
+export const REGEX_HEX_NOPREFIX = /^[\da-fA-F]+$/;
+/**
+ * @name isHex
+ * @summary Tests for a hex string.
+ * @description
+ * Checks to see if the input value is a `0x` prefixed hex string. Optionally (`bitLength` !== -1) checks to see if the bitLength is correct.
+ * @example
+ * <BR>
+ *
+ * ```javascript
+ * import { isHex } from '@pezkuwi/util';
+ *
+ * isHex('0x1234'); // => true
+ * isHex('0x1234', 8); // => false
+ * ```
+ */
+export function isHex(value, bitLength = -1, ignoreLength) {
+    return (typeof value === 'string' && (value === '0x' ||
+        REGEX_HEX_PREFIXED.test(value))) && (bitLength === -1
+        ? (ignoreLength || (value.length % 2 === 0))
+        : (value.length === (2 + Math.ceil(bitLength / 4))));
+}