Javascript’s regular expression library is becoming world class, ... By the way, the split() function (on strings) can also take a regex, returning everything except for the selected expressions.

Meta-characters. There are special characters in regular expressions, some of them include: d matches any digit, equivalent to [0-9]; D matches any character that’s not a digit, equivalent to ...

In the hands of the skilled, regular expressions are very powerful and offer a quick way to split apart text data. Like a lot of powerful ideas, the basic concept — that of a finite state ...