beginner
17 min read
Build a Simple Log Analyzer with Python
Somewhere on a server, a program is keeping a diary. Every few seconds it writes a line about what just happened: a user logged in, a request completed, a…
Read tutorialconcept
Text Processing
Manipulating or interpreting text through string operations, pattern matching, normalization, or extraction.
Tagged articles
Text Processing articles
7 articles in this tag.
beginner
11 min read
How to Clean CSV Data with Python
Every spreadsheet person knows the feeling. You export a CSV file, open it, and find blank rows scattered through the data. Names written three different…
Read tutorial
beginner
11 min read
How to Count Words in Python
Counting words in Python sounds trivial until you try it on real text. The moment your sentence contains a comma, a capital letter, or an ellipsis, the…
Read tutorial
beginner
10 min read
Python Regular Expressions: Find, Extract, and Validate Text
You have a block of messy text and you need every number, date, or email address hiding inside it. A plain string method can find "cat" in a sentence. It…
Read tutorial
beginner
11 min read
Python String Methods Reference with Examples
You have a messy string. Maybe it has extra spaces at the edges, mixed capitalization, a word you need to swap out, or text you want to break into pieces.…
Read tutorial
beginner
10 min read
String Formatting in Python: f-Strings and More
You already know how to print a value. The harder part is making that output read like a sentence instead of a pile of labels. Python string formatting is…
Read tutorial
beginner
8 min read
Working with Numbers and Strings
Every value in Python carries a type, and every type has rules about what you can do with it. Numbers compute. Strings reshape. The moment you learn to…
Read tutorial