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Strings & text

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

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Strings & text easy

Reverse Words in a Sentence While Keeping Punctuation in Python

Reverses the order of words in a sentence while leaving punctuation and spaces in their original positions using Python's re module.

strings punctuation regex
Python 
def reverse_words_preserving_punctuation(sentence: str) -> str:
    import re
    # Split into words and punctuation tokens
    tokens = re.findall(r'\w+|[^\w\s]|\s+', sentence)
    words = [t for t in tokens if re.fullmatch(r'\w+', t)]
    words.reverse()
    result_parts = []
    word_index = 0
    for token in toke…
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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.

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