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ECMAScript supports regular expressions through the regexp type.Using the following Perl-like syntax, you can create a regular expression.var expression=/pattern/flags;The pattern section can be any simple or complex regular expression that can
/* The main method of RegExp object: * exec (): This method is specially designed for capture groups. @ Param: receives a parameter and returns an array containing the information of the first matching item. @ return: the string to apply the pattern.
/* The main method of RegExp object: *********************//** Exec (): This method is specially designed for the capture group.@ Param: a string that accepts a parameter and applies the pattern.@ Return: returns an array containing the first
QuestionI. What does (RegExp. $ _) and (RegExp ["$ &"]) mean?2. What do we often see in RegExp. $1?If you have read the above two questions, you don't know what it means. It doesn't matter. This article mainly describes the attributes of these
Article Introduction: ECMAScript supports regular expressions by RegExp types. ECMAScript supports regular expressions by RegExp types. var expression =/pattern/flags; the pattern part can be any simple, complex regular