These pages contain information whose purpose is to provide a general introduction to regular expressions.
Although attempts to make the content of each topic relatively independent, most of the information contained in these topics depends on an understanding of the features or concepts introduced earlier. Therefore, it is recommended that you read these topics carefully sequentially in order to get the most comprehensive understanding of the material.
"Introduction to Regular Expressions" includes the following topics:
Regular expressions
Early Origins
Using regular expressions
Regular expression syntax
Create regular expressions
Priority order
Normal characters
Special characters
Non-printed characters
Character matching
Qualifier
Locator
Select and group
Backward quote