JSFiddle - React, Tailwind, and code Playground

by SSRRDD

HTML

<div class ="test"> </div>

JavaScript

var str = 'tro.lo.lo.lo.lo.lo.zip',
		str = 'b=b; gsa_episode_1946_type=sTwo; =46 gsa_episode_6011_sTwo=1; gsa_episode_6011_type=sTwo; gsa_episode_1939_sTwo=25; =46 gsa_episode_1939_type=sTwo; gsa_episode_1946_sTwo=25afcvj;lkjdfasdlkj',
    replacement = '=107';
str = str.replace(new RegExp('(=[0-9]*)([^=1234567890]*)$'), replacement + '$2');
str = str.replace(new RegExp('(=25*)([^=1234567890]*)$'), replacement + '$2');
str = str.replace(new RegExp('(?:=46)(?!.*=46)'), replacement);

$('.test').html(str);

//alert(str);