41 lines
1.1 KiB
JavaScript
41 lines
1.1 KiB
JavaScript
/**
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* @license Apache-2.0
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*
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* Copyright (c) 2021 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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// MAIN //
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/**
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* Returns a regular expression to capture a POSIX filename extension.
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*
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* @returns {RegExp} regular expression
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*
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* @example
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* var RE_EXTNAME_POSIX = reExtnamePosix();
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* var ext = RE_EXTNAME_POSIX.exec( 'index.js' )[ 1 ];
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* // returns '.js'
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*/
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function reExtnamePosix() {
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return /^(?:\/?|)(?:[\s\S]*?)(?:(?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/; // eslint-disable-line no-useless-escape
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}
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// EXPORTS //
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module.exports = reExtnamePosix;
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