There are two types of people in the world: those who have no idea what a regular expression is, and those who not only know what they are but can compose them on the fly and tend to use them in ...

Abstract: Regular expressions are notoriously difficult to get right, with developers often having to resort to trial-and-error approaches. Even so, little attention ...

A regular expression (shortened as regex or regexp), sometimes referred to as rational expression, is a sequence of characters that specifies a match pattern in text. Usually such patterns are used by ...

The first time I ever encountered a regular expression was many years ago now, but I still remember my first thoughts on it: What is this string-like thing? I don’t want to touch it, it looks scary. I ...

Abstract: Regular hexagon array is provided with good symmetrical characteristic, plane expansibility and array validity. A weight structure of regular hexagon array symmetrical distribution is ...

brackets in regular expression If you don't use square brackets, the meaning of the code changes. For example, without the square brackets, the code /\d./ will match any character that is followed by ...