Regular expressions have been part of the programmer’s toolkit for a long time, with their creation by Stephen Cole King in 1951. Their ability to match word patterns make them a powerful tool for ...

The [Symbol.match]() method of {{jsxref("RegExp")}} instances specifies how String.prototype.match() should behave. In addition, its presence (or absence) can influence whether an object is regarded ...

Regular expressions are patterns that provide a powerful way to search and replace in text. In JavaScript, they are available via the RegExp object, as well as being integrated in methods of strings.