Not surprisingly, Javascript, with its origins in web ... For instance, in the phone number regular expression: In the first case, the inner parentheses ($1,$2 and $3) are evaluated first, then ...

But with the right tools, you can easily develop your own regular expressions and make sense of those written by others. If you’re just matching plain old letters and numbers and spaces ...

Is there a way to generate a regex like this, while inserting that variable into it on the fly? Click to expand... It's been a while since I worked on regexs in JavaScript, but generally the way ...