Can decode utf-8 encoded string back into a regular javascript string. The same can be achieved JavaScript by decodeURIComponent(escape(str)), but this approach may be useful in other languages.

Not surprisingly, Javascript, with its origins in web programming, has one of the most robust regular expression (or, more colloquially, regex) libraries in use today, and recent developments in ...

It's been a while since I worked on regexs in JavaScript, but generally the way you do this in most programming languages is to build the regex as a string and then pass it into the regex engine.

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