Update namespace

Author: kgryte

lib/node_modules/@stdlib/regexp/lib/index.js

@@ -218,6 +218,16 @@ setReadOnly( regexp, 'RE_REGEXP', require( '@stdlib/regexp/regexp' ) );
 */
 setReadOnly( regexp, 'RE_UNC_PATH', require( '@stdlib/regexp/unc-path' ) );
 
+/**
+* @name RE_UTF16_SURROGATE_PAIR
+* @memberof regexp
+* @readonly
+* @constant
+* @type {RegExp}
+* @see {@link module:@stdlib/regexp/utf16-surrogate-pair}
+*/
+setReadOnly( regexp, 'RE_UTF16_SURROGATE_PAIR', require( '@stdlib/regexp/utf16-surrogate-pair' ) );
+
 /**
 * @name RE_UTF16_UNPAIRED_SURROGATE
 * @memberof regexp