How to check if a value is base58 encoded in JavaScript

In this Article we will go through how to check if a value is base58 encoded only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function.

Let's define this short function:

// It doesn't accept the I, O, l characters 
const isBase58 = value => /^[A-HJ-NP-Za-km-z1-9]*$/.test(value);
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