The Matches collection object is returned as a result of the Execute method. If there are no matches then the original search-string is returned.Įxecute(search-string) − The Execute method works like Replace, except that it returns a Matches collection object, containing a Match object for each successful match. If the search is successful then it replaces that match with the replace-string, and the new string is returned.

Replace(search-string, replace-string) − The Replace method takes 2 parameters. Test(search-string) − The Test method takes a string as its argument and returns True if the regular expression can successfully be matched against the string, otherwise False is returned. If not specified explicitly, Global value is set to False. Global − A Boolean property that represents if the regular expression should be tested against all possible matches in a string. If not specified explicitly, IgnoreCase value is set to False. IgnoreCase − A Boolean property that represents if the regular expression should be tested against all possible matches in a string if true or false.

Pattern − The Pattern method represents a string that is used to define the regular expression and it should be set before using the regular expression object. It is similar to RegExp in JavaScript Properties RegExp object helps the developers to match the pattern of strings and the properties and methods help us to work with Regular Expressions easily. The purpose of creating a pattern is to match specific strings, so that the developer can extract characters based on conditions and replace certain characters. Regular Expressions is a sequence of characters that forms a pattern, which is mainly used for search and replace.

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