Matching Using a Regular Expression Object : RegExp « Regular Expressions « Flash / Flex / ActionScript

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Flash / Flex / ActionScript » Regular Expressions » RegExp   Matching Using a Regular Expression Object   package{   import flash.display.Sprite;   import flash.utils.*;   public class Main extends Sprite{     public function Main(){         var reCase:RegExp = new RegExp("abc");         trace(reCase.test("aBc"));  // Displays: false;     }   } }          Related examples in the same category 1.  Creating a Regular Expression Object 2.  Case-insensitive, you can add the i flag: 3.  To flag it to match globally and multiline, the following will work: 4.  Regular expression /\w/ is created in ActionScript 5.  To know whether at least one match exists. 6.  Use the exec() method. 7.  RegExp("(A|BC)* *(A);*(B)* *(C)* *(A|B|C)*", "i") 8.  String Methods and Regular Expressions 9.  To escape a character, simply preface it with a backslash (\). This goes for the backslash character as well. 10.  Use ranges with the dash character (-), and you can have multiple ranges in one character class, as well as combine ranges with single characters 11.  invert a character class by using a caret (^) immediately after the open bracket ([). 12.  Quantifiers 13.  To match an optional character or sequence, use the question mark quantifier (?). 14.  (*) quantifier matches zero or more times:

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