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Why is string.replaceAll() not a function on Android React Native?

I recently stumbled on this issue that, though ran well on iOS, could not run on Android, even though I use the same code base and run them in parallel.

Note that (number + '') always returns a string, and this code runs on iOS.

Trying the regex with the global flag "g":

string.replace(/searchString/g, replaceString)

like some suggested StackOverFlow answers does not work either.

Can you guys guess the reasons and provide solutions?

7 months ago · Juan Pablo Isaza

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replace method works perfectly in the latest React Native version. Please note you need to use string literals (`) instead of quotes (") for string variables.

string.replace(`/${searchString}/g`, replaceString);

Tested on the following React Native version:

react-native-cli: 2.0.1
react-native: 0.64.3

7 months ago · Juan Pablo Isaza Report

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Accepted Answer · 2022-07-13T04:03:41.689Z

Alternative way to do this with the split and join functions.

string.split("searchString").join("replaceString");