main.js (1695B)
1 /** 2 * @license Apache-2.0 3 * 4 * Copyright (c) 2021 The Stdlib Authors. 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 'use strict'; 20 21 // MAIN // 22 23 /** 24 * Returns a regular expression to parse a UNC path. 25 * 26 * @returns {RegExp} regular expression 27 * 28 * @example 29 * var RE_UNC_PATH = reUncPath(); 30 * var bool = RE_UNC_PATH.test( '\\\\server\\share' ); 31 * // returns true 32 * 33 * bool = RE_UNC_PATH.test( 'C:\\foo\\bar\\baz' ); 34 * // returns false 35 */ 36 function reUncPath() { 37 return /^\\\\([^\\:\|\[\]\/";<>+=,?* _]+)\\([\u0020-\u0021\u0023-\u0029\u002D-\u002E\u0030-\u0039\u0040-\u005A\u005E-\u007B\u007E-\u00FF]{1,80})(((?:\\[\u0020-\u0021\u0023-\u0029\u002D-\u002E\u0030-\u0039\u0040-\u005A\u005E-\u007B\u007E-\u00FF]{1,255})+?|)(?:\\((?:[\u0020-\u0021\u0023-\u0029\u002B-\u002E\u0030-\u0039\u003B\u003D\u0040-\u005B\u005D-\u007B]{1,255}){1}(?:\:(?=[\u0001-\u002E\u0030-\u0039\u003B-\u005B\u005D-\u00FF]|\:)(?:([\u0001-\u002E\u0030-\u0039\u003B-\u005B\u005D-\u00FF]+(?!\:)|[\u0001-\u002E\u0030-\u0039\u003B-\u005B\u005D-\u00FF]*)(?:\:([\u0001-\u002E\u0030-\u0039\u003B-\u005B\u005D-\u00FF]+)|))|)))|)$/; // eslint-disable-line no-useless-escape, no-control-regex 38 } 39 40 41 // EXPORTS // 42 43 module.exports = reUncPath;