Python Regular Expressions (regex): Forming a Regular Expression in Python

How Did the Python Eat the String? One Byte at a Time

The string 'dog' with word boundaries highlighted.

A Lukaszewski

Beyond the null value the computer notices all of the incremental locations which we as human readers seldom, if ever, think about. Perhaps the two most common of these are the spots immediately before and after a string's value. In this image, those two spots are highlighted in red.

Next we look at how Python views two words in one string.

• Half the Battle: How Python Understand Regular Expressions
• How Python Views a String: Every Dog has Its Null Value
• How Did the Python Eat the String? One Byte at a Time
• Python Strings Along Dogs and Cats
• "I never metacharacter I didn't like."
• Python's Compound Metacharacters
• Curly Braces in Python Regular Expressions
• Tightening Python's Grip: Ranges in Python Pattern Matching
• An Example of Pattern Matching in Python
• An Explanation of Forming RegEx in Python