Reference library

Strings & text

Format, split, join, parse, and clean text — everyday Python string patterns.

2 matches
Strings & text easy

How to Process Lines of Text in Python

Strip whitespace, split a multi-line string, count words per line, and print structured summaries using basic string methods and loops.

strings text-processing splitlines
Python
text = """   Python is great!
Coding is fun.
   Python skills help you grow.   """

lines = text.strip().splitlines()
line_count = len(lines)

processed = []
for line in lines:
    stripped = line.strip()
    word_count = len(stripped.split())
    processed.append({
        "original": line,
        "stripped": stripp…
13 0 Open
Strings & text easy

Remove Substring Occurrences Case-Insensitively in Python

This code removes every case-insensitive occurrence of a given substring from a text string using a simple looping approach.

strings case-insensitive substring
Python
def remove_occurrences_ci(text: str, substring: str) -> str:
    """Remove all case-insensitive occurrences of substring from text."""
    if not substring:
        return text
    
    result = []
    i = 0
    lower_text = text.lower()
    lower_sub = substring.lower()
    sub_len = len(substring)
    
    while i <…
12 0 Open

Browse by section

Each section groups closely related Python snippets.

Strings & text — Python code examples

What you will find here

This page collects strings & text snippets — short, copy-ready Python you can paste into our free online IDE and run without installing anything. Each sample includes a plain-English explanation and the full source code.

Samples vs tutorials and challenges

Samples are quick reference — one concept per page. For step-by-step teaching, use our Python tutorials. To test yourself, try quizzes or coding challenges. Clean up style with the Python formatter.