freeCodeCamp/guide/english/certifications/javascript-algorithms-and-data-structures/regular-expressions/use-capture-groups-to-search-and-replace/index.md

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Use Capture Groups to Search and Replace

Use Capture Groups to Search and Replace

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Problem Explanation

Using .replace() with the first parameter set to find the part of the original string to replace, and the second parameter should be the replacement.

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Hints

Hint 1

Modify the regex so that fixRegex detects the part of the string to replace and the variable replaceText should be modified to the string that will replace fixRegex.

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Solutions

Solution 1 (Click to Show/Hide)

let huhText = "This sandwich is good.";
let fixRegex = /good/; // Change this line
let replaceText = "okey-dokey"; // Change this line
let result = huhText.replace(fixRegex, replaceText);