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/**
* @license Apache-2.0
*
* Copyright (c) 2019 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
// MAIN //
/**
* Returns a regular expression for splitting a path into two components: a subdirectory path and a basename (filter).
*
* @private
* @returns {RegExp} regular expression
*/
function createRegExp() {
/*
* Regular expression for splitting a path into two components: a subdirectory path and a basename (filter).
*
* ## Examples
*
* - `''`
* - `'.'`
* - `'./'`
* - `'..'`
* - `'../'`
* - `'foo/bar'`
* - `'./foo'`
* - `'./foo/bar`
*
* Regular expression: `/([\w@./-]+\/)?([\w@./-]*)/`
*
* - `(`
* - begin capture (1)
* - `[\w@./-]+\/`
* - subdirectory path characters
* - `)`
* - end capture (1)
* - `?`
* - match zero or one time
* - `(`
* - begin capture (2)
* - `[\w@./-]*`
* - zero or more basename path characters
* - `)`
* - end capture (2)
*/
return /([\w@./-]+\/)?([\w@./-]*)/;
}
// EXPORTS //
module.exports = createRegExp;
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