How to use the regular expression functions provided by the ‘re’ library to match, search, and replace text in your Python programs. Regular expressions, or “regex,” is a system for ...

Supported pattern match types include literals, names, constant values, sequences, a mapping (basically, the presence of a key-value pair in the expression), a class, a mixture of the above, or ...

You can use a special group of functions and CALL routines to match or change data according to a specific pattern that you specify. By using these functions and CALL routines, you can determine ...

If you work with text, you owe it to yourself to learn regular expressions, and Patterns can help you do that--as well as figure out exactly what your search patterns are capturing.

Chapter 12: Regular Expressions Python’ s Regular Expression Language The Regular Expression Module A regular expression is a compact notation for representing a collection of strings. What makes ...

Notice that I used an index of 1 to get the area code group. While the Groups property is zero-based, the first group (Groups (0)) is always a match of the entire regular expression. Then, each left ...

Pattern Matching Using Regular Expression (RX) Functions and CALL Routines You can use a special group of functions and CALL routines to match or change data according to a specific pattern that you ...