How to use the escapeRegExp function from lodash

Find comprehensive JavaScript lodash.escapeRegExp code examples handpicked from public code repositorys.

lodash.escapeRegExp is a function in the Lodash library that escapes any special characters in a string that would have a special meaning in a regular expression.

lodash-contrib.commonjs.js

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module.exports.entries             = _.entries;
module.exports.entriesIn           = _.entriesIn;
module.exports.eq                  = _.eq;
module.exports.eqContrib           = _.eqContrib;
module.exports.escape              = _.escape;
module.exports.escapeRegExp        = _.escapeRegExp;
module.exports.every               = _.every;
module.exports.exists              = _.exists;
module.exports.existsAll           = _.existsAll;
module.exports.explode             = _.explode;

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+ 92 other calls in file

lodash.js

GitHub: mdmarufsarker/lodash

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console.log(endsWith); // => true


const escape = _.escape('fred, barney, & pebbles');
console.log(escape); // => 'fred, barney, & pebbles'


const escapeRegExp = _.escapeRegExp('[lodash](https://lodash.com/)');
console.log(escapeRegExp); // => '\[lodash\]\(https://lodash\.com/\)'


const kebabCase = _.kebabCase('Foo Bar');
console.log(kebabCase); // => 'foo-bar'

+ 15 other calls in file

How does lodash.escapeRegExp work?

lodash.escapeRegExp is a function provided by the Lodash library which takes a string as input and escapes any characters in the string that would have special meaning in a regular expression, such as backslashes and parentheses, by adding a backslash before them.

index.js

GitHub: ashishdock/lodash-practice

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console.log(_.escape('<h1>Heading</h1>'));
console.log(_.unescape('<h1>Heading</h1>'));
console.log(_.unescape('&lt;h1&gt;Heading&lt;/h1&gt;'));
console.log(_.escapeRegExp('https://www.lodash.com'));
console.log(
  _.escapeRegExp('https://www.lodash.com?param={myvalue}|param2={myvalue2}')
);


console.log(_.parseInt('8'));
console.log(_.parseInt('08'));

component.js

GitHub: syed-ib/CloudWise-OpenSource-FlyFish

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const projectList = await ctx.model.Project._find();
const tagList = await ctx.model.Tag._find();

if (key) {
  queryCond.$or = [];
  queryCond.$or.push({ desc: { $regex: _.escapeRegExp(key) } });
  const matchTags = (tagList || []).filter(tag => tag.name.includes(key));
  const matchTagIds = matchTags.map(tag => tag.id);
  if (!_.isEmpty(matchTagIds)) queryCond.$or.push({ tags: { $in: matchTagIds } });
}

Ai Example

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const _ = require("lodash");

const string = "Hello. How are you?";
const escapedString = _.escapeRegExp(string);

console.log(escapedString);
// Output: Hello\. How are you\?

In this example, lodash.escapeRegExp is used to escape any special characters in the string variable, which can then be used as a regular expression pattern. The resulting escaped string is stored in the escapedString variable, which is logged to the console.

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