time-to-botec

Benchmark sampling in different programming languages
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regexp.js (2897B)

      1 /**
      2 * @license Apache-2.0
      3 *
      4 * Copyright (c) 2018 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 // MODULES //
     22 
     23 var reExtnameWindows = require( './main.js' );
     24 
     25 
     26 // MAIN //
     27 
     28 /**
     29 * Captures a Windows filename extension. Modified from Node.js [source][1].
     30 *
     31 * -   `^`
     32 *     -   match any string which begins with
     33 *
     34 * -   `(?:)`
     35 *     -   capture but do not remember (device)
     36 *
     37 * -   `[a-zA-Z]:`
     38 *     -   match any upper or lowercase letter and a `:` literal
     39 *
     40 * -   `|`
     41 *     -   OR
     42 *
     43 * -   `[\\\/]`
     44 *     -   match a `\` or `/` literal character
     45 *
     46 * -   `{2}`
     47 *     -   exactly two times
     48 *
     49 * -   `[^\\\/]+`
     50 *     -   match anything but a `\` or `/` literal one or more times
     51 *
     52 * -   `[\\\/]+`
     53 *     -   match a `\` or `/` literal one or more times
     54 *
     55 * -   `[^\\\/]+`
     56 *     -   match anything but a `\` or `/` literal one or more times
     57 *
     58 * -   `|)`
     59 *     -   OR capture nothing
     60 *
     61 * -   `(?:)`
     62 *     -   capture but do not remember (slash)
     63 *
     64 * -   `[\\\/]`
     65 *     -   match a `\` or `/` literal
     66 *
     67 * -   `|)`
     68 *     -   OR capture nothing
     69 *
     70 * -   `(?:)`
     71 *     -   capture but do not remember (dirname)
     72 *
     73 * -   `[\s\S]`
     74 *     -   match any space or non-space character
     75 *
     76 * -   `*?`
     77 *     -   zero or more times but do so non-greedily
     78 *
     79 * -   `(?:)`
     80 *     -   capture but do not remember (basename)
     81 *
     82 * -   `(?:)`
     83 *     -   capture but do not remember
     84 *
     85 * -   `\.{1,2}`
     86 *     -   match a `.` literal one or two times
     87 *
     88 * -   `|`
     89 *     -   OR
     90 *
     91 * -   `[^\\\/]+?`
     92 *     -   match anything but a `\` or `/` literal one or more times, but do so non-greedily
     93 *
     94 * -   `|)`
     95 *     -   OR capture nothing
     96 *
     97 * -   `()`
     98 *     -   capture (extname)
     99 *
    100 * -   `\.`
    101 *     -   match a `.` literal
    102 *
    103 * -   `[^.\/\\]*`
    104 *     -   match anything but a `.`, `/`, or `\` literal zero or more times
    105 *
    106 * -   `|)`
    107 *     -   OR capture nothing
    108 *
    109 * -   `(?:)`
    110 *     -   capture but do not remember (trailing slash)
    111 *
    112 * -   `[\\\/]*`
    113 *     -   match a `\` or `/` literal zero or more times
    114 *
    115 * -   `$`
    116 *     -   end of string
    117 *
    118 * [1]: https://github.com/nodejs/node/blob/1a3b295d0f46b2189bd853800b1e63ab4d106b66/lib/path.js#L65
    119 *
    120 * @constant
    121 * @type {RegExp}
    122 * @default /^(?:[a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/]+[^\\\/]+|)(?:[\\\/]|)(?:[\s\S]*?)(?:(?:\.{1,2}|[^\\\/]+?|)(\.[^.\/\\]*|))(?:[\\\/]*)$/
    123 */
    124 var RE_EXTNAME_WINDOWS = reExtnameWindows();
    125 
    126 
    127 // EXPORTS //
    128 
    129 module.exports = RE_EXTNAME_WINDOWS;