Too Long; Didn't Read
Considering you as a programmer (why else on earth would you read this article dedicated to programmers?), there is a high probability that you already know this definition. And I think, it is fair to assume that you already used ‘String’ in at least one programming language. <br>Despite that, I should remind you one more time, ‘String’ in programming world has nothing to do with the <a href="https://www.forbes.com/sites/startswithabang/2016/11/25/what-every-layperson-should-know-about-string-theory/#27fc88395a53" target="_blank">‘String Theory’</a> which <a href="http://bigbangtheory.wikia.com/wiki/Sheldon_Cooper" target="_blank">Sheldon Cooper</a> popularizes more than any physicist ever did or could do.