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check if base64

Banana in Transit answered on January 3, 2022 Popularity 9/10 Helpfulness 7/10

answer check if base64

check if base64

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// How to check if a string is base64 encoded
// Originally from willnode https://stackoverflow.com/users/3908409/willnode

/* 
Checks if:
 - Length is divisible by 4
 - It uses A-Z, a-z, 0-9, +/=
 - Uses = at the end (within 0-3 characters)
*/

function isBase64(str) {
    return str.length % 4 == 0 && /^[A-Za-z0-9+/]+[=]{0,3}$/.test(str);
}

Popularity 9/10 Helpfulness 7/10 Language javascript

Source: www.py4u.net

Tags: base64 javascript

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Contributed on Jan 03 2022

Banana in Transit

0 Answers Avg Quality 2/10

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