Edit fiddle - JSFiddle - React, Tailwind, and code Playground

JSFiddle - React, Tailwind, and code Playground

JavaScript

const data1 = '12_345_678_900_xxxxxxxxxxxxxxx.jpg'
const data2 = '34_567_890_123_xxxxxxxx_xxxxx_xxxxxxxxxxx.jpg'

const re = /^([^_]+_[^_]+_[^_]+_[^_]+).*(.jpg)$/;

var test1 = data1.replace(re, '$1$2');
var test2 = data2.replace(re, '$1$2');

console.log(test1);
console.log(test2);

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JSFiddle - React, Tailwind, and code Playground

JavaScript

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