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How to use a regex to remove letters and symbols except numbers with JavaScript?

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Sometimes, we want to use a regex to remove letters and symbols except numbers with JavaScript.

In this article, we’ll look at how to use a regex to remove letters and symbols except numbers with JavaScript.

How to use a regex to remove letters and symbols except numbers with JavaScript?

To use a regex to remove letters and symbols except numbers with JavaScript, we can use the string replace method.

For instance, we write

const removedText = str.replace(/\D+/g, "");

to call str.replace with /\D+/g and an empty string to return a new string with the non-digit characters in str removed.

Conclusion

To use a regex to remove letters and symbols except numbers with JavaScript, we can use the string replace method.

By John Au-Yeung

Web developer specializing in React, Vue, and front end development.

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