├── .editorconfig ├── .gitattributes ├── .gitignore ├── .travis.yml ├── fixtures.json ├── index.js ├── license ├── package.json ├── readme.md └── test.js /.editorconfig: -------------------------------------------------------------------------------- 1 | root = true 2 | 3 | [*] 4 | indent_style = tab 5 | end_of_line = lf 6 | charset = utf-8 7 | trim_trailing_whitespace = true 8 | insert_final_newline = true 9 | 10 | [{package.json,*.yml}] 11 | indent_style = space 12 | indent_size = 2 13 | -------------------------------------------------------------------------------- /.gitattributes: -------------------------------------------------------------------------------- 1 | * text=auto 2 | *.js text eol=lf 3 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | node_modules 2 | -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | language: node_js 2 | node_js: 3 | - '6' 4 | - '4' 5 | -------------------------------------------------------------------------------- /fixtures.json: -------------------------------------------------------------------------------- 1 | [ 2 | "function() {\nvar define = System.amdDefine;\ndefine([\"github:components/jquery@2.1.4/jquery.js\"], function(main) {\n return main;\n});\n\n})();\n//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbImpzcG1fcGFja2FnZXMvZ2l0aHViL2NvbXBvbmVudHMvanF1ZXJ5QDIuMS40LmpzIl0sIm5hbWVzIjpbXSwibWFwcGluZ3MiOiI7O0tBQUssQUFBQyxDQUFDLENBQUMsMENBQXlDLENBQUMsQ0FBQSxVQUFTLElBQUcsQ0FBRztBQUMvRCxPQUFPLEtBQUcsQ0FBQztDQUR5RCxDQUVwRTtBQUFBIiwiZmlsZSI6Im91dHB1dC5qcyJ9\n", 3 | "System.registerDynamic([\"lib/broken.js\"], true, function($__require, exports, module) {\n ;\n var define,\n global = this,\n GLOBAL = this;\n var foo = $__require(\\'lib/broken.js\\');\n module.exports = {foo: foo};\n return module.exports;\n});\n\n//# sourceMappingURL=data:application/json;base64,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\n", 4 | "System.registerDynamic([\"lib/stringExport.js\"], true, function($__require, exports, module) {\n ;\n var define,\n global = this,\n GLOBAL = this;\n var foo = $__require(\\'lib/stringExport.js\\');\n module.exports = {foo: foo};\n return module.exports;\n});\n\n//# sourceMappingURL=data:application/json;base64,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\n", 5 | "System.registerDynamic([], true, function($__require, exports, module) {\n ;\n var define,\n global = this,\n GLOBAL = this;\n module.exports = \\'foo\\';\n return module.exports;\n});\n\n//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbImxpYi9zdHJpbmdFeHBvcnQuanMiXSwibmFtZXMiOltdLCJtYXBwaW5ncyI6IktBQUssZ0JBQWdCLEFBQUMsQ0FBQyxFQUFDLENBQUcsS0FBRyxDQUFHLFVBQVMsVUFBUyxDQUFHLENBQUEsT0FBTSxDQUFHLENBQUEsTUFBSzs7QUFDaEUsQUFBSSxJQUFBLENBQUEsTUFBSztBQUFHLFdBQUssRUFBSSxLQUFHO0FBQUcsV0FBSyxFQUFJLEtBQUcsQ0FBQztPQUR2QyxRQUFRLEVBQUksTUFBSSxDQUFDO09BQWYsQ0FBQSxNQUFLLFFBQVEsQ0FBQztBQUFvRSxDQUFDLENBQUMiLCJmaWxlIjoib3V0cHV0LmpzIn0=\n" 6 | ] 7 | -------------------------------------------------------------------------------- /index.js: -------------------------------------------------------------------------------- 1 | 'use strict'; 2 | 3 | module.exports = opts => { 4 | opts = Object.assign({}, opts); 5 | const regex = '(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)'; 6 | return opts.exact ? new RegExp(`(?:^${regex}?$)`) : new RegExp(regex, 'g'); 7 | }; 8 | -------------------------------------------------------------------------------- /license: -------------------------------------------------------------------------------- 1 | The MIT License (MIT) 2 | 3 | Copyright (c) Kevin Mårtensson 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in 13 | all copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 21 | THE SOFTWARE. 22 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "base64-regex", 3 | "version": "2.0.0", 4 | "description": "Regular expression for matching base64 encoded strings", 5 | "license": "MIT", 6 | "repository": "kevva/base64-regex", 7 | "author": { 8 | "name": "Kevin Mårtensson", 9 | "email": "kevinmartensson@gmail.com", 10 | "url": "https://github.com/kevva" 11 | }, 12 | "engines": { 13 | "node": ">=4" 14 | }, 15 | "scripts": { 16 | "test": "xo && ava" 17 | }, 18 | "files": [ 19 | "index.js" 20 | ], 21 | "keywords": [ 22 | "base64", 23 | "regex", 24 | "string" 25 | ], 26 | "devDependencies": { 27 | "ava": "*", 28 | "xo": "*" 29 | }, 30 | "xo": { 31 | "esnext": true 32 | } 33 | } 34 | -------------------------------------------------------------------------------- /readme.md: -------------------------------------------------------------------------------- 1 | # base64-regex [![Build Status](https://travis-ci.org/kevva/base64-regex.svg?branch=master)](https://travis-ci.org/kevva/base64-regex) 2 | 3 | > Regular expression for matching base64 encoded strings 4 | 5 | 6 | ## Install 7 | 8 | ``` 9 | $ npm install --save base64-regex 10 | ``` 11 | 12 | 13 | ## Usage 14 | 15 | ```js 16 | const base64Regex = require('base64-regex'); 17 | 18 | base64Regex().test('dW5pY29ybg== foo bar'); 19 | //=> true 20 | 21 | base64Regex({exact: true}).test('dW5pY29ybg== foo bar'); 22 | //=> false 23 | 24 | base64Regex({exact: true}).test('dW5pY29ybg=='); 25 | //=> true 26 | 27 | 'foo dW5pY29ybg== bar Ym9hdA=='.match(base64Regex()); 28 | //=> ['dW5pY29ybg==', 'Ym9hdA=='] 29 | ``` 30 | 31 | 32 | ## API 33 | 34 | ### base64Regex([options]) 35 | 36 | Returns a regex for matching base64 encoded strings. 37 | 38 | #### options 39 | 40 | ##### exact 41 | 42 | Type: `boolean`
43 | Default: `false` *(Matches any base64 in a string)* 44 | 45 | Only match an exact string. Useful with `RegExp#test` to check if a string is a base64 encoded string. 46 | 47 | 48 | ## License 49 | 50 | MIT © [Kevin Mårtensson](http://kevinmartensson.com) 51 | -------------------------------------------------------------------------------- /test.js: -------------------------------------------------------------------------------- 1 | import test from 'ava'; 2 | import fixtures from './fixtures'; 3 | import m from './'; 4 | 5 | test('match base64 encoded string', t => { 6 | const fixtures = [ 7 | 'dW5pY29ybg==', 8 | 'Ym9hdA==' 9 | ]; 10 | 11 | for (const x of fixtures) { 12 | t.true(m({exact: true}).test(x)); 13 | } 14 | 15 | t.is(m().exec('asdasd dgggghey dW5pY29ybg== helllo')[0], 'dW5pY29ybg=='); 16 | }); 17 | 18 | test('match inline sourcemaps', t => { 19 | for (const x of fixtures) { 20 | t.true(m({exact: true}).test(x.split('data:application/json;base64,').pop().trim())); 21 | } 22 | }); 23 | --------------------------------------------------------------------------------