radix64-encoding/dist/is.js

Radix64 encoding, a.k.a. Base64 encoding. An extremely fast and synchronous JS implementation.

/* MAIN */
const is = (data) => {
    if (data.length % 4)
        return false;
    if (!/^[a-zA-Z0-9+/]*=?=?$/.test(data))
        return false;
    return true;
};
/* EXPORT */
export default is;