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version](https://img.shields.io/npm/v/is-expression.svg)](https://www.npmjs.org/package/is-expression)\n\n## Installation\n\n    npm install is-expression\n\n## Usage\n\n### `isExpression(src[, options])`\n\nValidates a string as a JavaScript expression.\n\n`src` contains the source.\n\n`options` can contain any Acorn options (since we use Acorn under-the-hood),\nor any of the following:\n\n- `throw`: Throw an error if the string is not an expression. The error can\n  be an Acorn error, with location information in `err.loc` and `err.pos`.\n  Defaults to `false`.\n- `strict`: Use strict mode when trying to parse the string. Defaults to\n  `false`. Even if this option is `false`, if you have provided\n  `options.sourceType === 'module'` which imples strict mode under ES2015,\n  strict mode will be used.\n- `lineComment`: When `true`, allows line comments in the expression.\n  Defaults to `false` for safety.\n\nSee the examples below for usage.\n\n## Examples\n\n```js\nvar isExpression = require('is-expression')\n\nisExpression('myVar')\n//=> true\nisExpression('var')\n//=> false\nisExpression('[\"an\", \"array\", \"\\'s\"].indexOf(\"index\")')\n//=> true\n\nisExpression('var', {throw: true})\n// SyntaxError: Unexpected token (1:0)\n//     at Parser.pp.raise (acorn/dist/acorn.js:940:13)\n//     at ...\n\nisExpression('public')\n//=> true\nisExpression('public', {strict: true})\n//=> false\n\nisExpression('abc // my comment')\n//=> false\nisExpression('abc // my comment', {lineComment: true})\n//=> true\n```\n\n## License\n\nMIT\n","maintainers":[{"email":"forbes@lindesay.co.uk","name":"forbeslindesay"}],"time":{"modified":"2022-06-19T02:41:08.052Z","created":"2015-11-12T01:39:00.612Z","1.0.0":"2015-11-12T01:39:00.612Z","1.0.1":"2015-11-12T16:57:36.341Z","1.0.2":"2016-01-07T01:37:50.414Z","2.0.0":"2016-02-13T01:21:16.927Z","2.0.1":"2016-06-04T01:14:50.531Z","2.1.0":"2016-07-26T18:43:55.226Z","3.0.0":"2016-09-12T00:03:26.635Z","4.0.0":"2020-05-19T22:45:35.608Z"},"homepage":"https://github.com/pugjs/is-expression#readme","keywords":["javascript","expression"],"repository":{"type":"git","url":"git+https://github.com/pugjs/is-expression.git"},"author":{"name":"Timothy Gu","email":"timothygu99@gmail.com"},"bugs":{"url":"https://github.com/pugjs/is-expression/issues"},"license":"MIT","readmeFilename":"README.md","users":{"rocket0191":true}}