JavaScript regular expressions methods

In the following table, you can find the methods used to match or test a regular expression. The main JavaScript objects used in regular expressions are String and RegExp, which represent a pattern (such as regular expression).

Method	Description	Example
String.match(regular expression)	This executes a search for a match within a string, based on a regular expression.	var myString = "today is 12-12-2000"; var matches = myString.match(/\d{4}/); //returns array ["2000"]
RegExp.exec(string)	This executes a search for a match in its string parameter. Unlike String.match, the parameter entered should be a string, not a regular expression pattern.	var pattern = /\d{4}/; pattern.exec("today is 12-12-2000"); //returns array ["2000"]
String.replace(regular expression, replacement text)	This searches and replaces the regular expression portion (match) with the replaced text instead.	var phone...