This method executes a search for a match in a specified string, returning a result array.
object([str])
This method executes a search for a match in a specified string, returning
a result array. (If, however, you simply want to test whether or not
there is a match, it is best to use the test
method or the String.search method.)
For example, the following blocks of
NOTE:
The Netscape browser can call the exec method both directly
(object.exec([str])) or indirectly (object([str])), whereas
Microsoft Internet Explorer can only call it directly. If no string
is declared then the value of RegExp.input
is used. If the search fails, the exec method returns null.