| Flash / Flex / ActionScript » Regular Expressions » RegExp |
| 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. | Matching Using a Regular Expression Object | ||
| 6. | To know whether at least one match exists. | ||
| 7. | Use the exec() method. | ||
| 8. | RegExp("(A|BC)* *(A);*(B)* *(C)* *(A|B|C)*", "i") | ||
| 9. | String Methods and Regular Expressions | ||
| 10. | To escape a character, simply preface it with a backslash (\). This goes for the backslash character as well. | ||
| 11. | Use ranges with the dash character (-), and you can have multiple ranges in one character class, as well as combine ranges with single characters | ||
| 12. | invert a character class by using a caret (^) immediately after the open bracket ([). | ||
| 13. | Quantifiers | ||
| 14. | To match an optional character or sequence, use the question mark quantifier (?). | ||
| 15. | (*) quantifier matches zero or more times: |