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How to replace non-numeric characters with JavaScript regular expressions?

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Sometimes, we want to replace non-numeric characters with JavaScript regular expressions.

In this article, we’ll look at how to replace non-numeric characters with JavaScript regular expressions.

How to replace non-numeric characters with JavaScript regular expressions?

To replace non-numeric characters with JavaScript regular expressions, we can use the string replace method.

For instance, we write

const newStr = str.replace(/[^0-9\.]+/g, "");

to call str.replace with /[^0-9\.]+/g and an empty string to return a string without all the non-numeric characters in str.

We use [^0-9\.]+ to match non-numeric characters.

And we use g to make replace replace all matches.

Conclusion

To replace non-numeric characters with JavaScript regular expressions, we can use the string replace method.

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