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

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Flash / Flex / ActionScript » Regular Expressions » RegExp 
Creating 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"));  
        reCase.compile("abc""i");
        trace(reCase.test("aBc"));  
    }
  }
}

        
Related examples in the same category
1. Case-insensitive, you can add the i flag:
2. To flag it to match globally and multiline, the following will work:
3. Regular expression /\w/ is created in ActionScript
4. Matching Using a Regular Expression Object
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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