Remove Punctuation
Delete punctuation marks and symbols from text.
Characters: 0Words: 0
Stripping Punctuation for Clean Text
This tool removes every character that isn't a letter, number, or whitespace using Unicode-aware matching, so commas, periods, quotes, brackets, hashes, and symbols all disappear while accented letters and non-Latin scripts are preserved. It's handy for tokenizing text, preparing data for analysis, or cleaning input before indexing — all done privately in your browser.
Built and maintained by Meet Shah · Last updated
What this tool is used for
- Stripping punctuation before a word-frequency analysis.
- Cleaning text for a comparison where punctuation should not matter.
- Preparing a phrase for a palindrome or an anagram check.
- Normalising a value before using it as a key.
- Removing symbols from OCR output before proofreading.
Frequently Asked Questions
- What counts as punctuation?
- This uses the Unicode punctuation categories (P*), so it removes more than ASCII: em dashes, curly quotes, ellipsis characters, and CJK punctuation like 。and 、. A naive [^a-zA-Z0-9 ] filter would also strip accented letters, which is usually wrong.
- Will it break contractions and hyphenated words?
- Yes, by design — "don't" becomes "dont" and "well-known" becomes "wellknown". If you need the word boundary preserved, replace hyphens with spaces before stripping rather than after.
- Why remove punctuation at all?
- It is a standard normalisation step before text analysis: word frequency, n-gram extraction, search indexing and machine-learning tokenisation all typically strip punctuation so that "word" and "word," count as the same token.
- Are currency and maths symbols removed?
- No. $ and + are Unicode Symbol (S*) categories, not Punctuation, so they survive. That distinction is deliberate in the standard and is why "punctuation" removal does not flatten arithmetic expressions.
- What about apostrophes in names?
- They are removed too, so O'Brien becomes OBrien. If you are normalising names rather than analysing prose, exclude the apostrophe explicitly — losing it changes the name rather than cleaning it.
- What happens to apostrophes inside words?
- They go, so `don't` becomes `dont` and `O'Brien` becomes `OBrien`. That is usually wrong for names and contractions, which is why a strip intended for text analysis normally keeps the apostrophe and removes everything else.
- Are typographic quotes and dashes covered?
- Only if the rule is Unicode-aware. An ASCII punctuation class misses curly quotes, en and em dashes and the ellipsis character that word processors insert automatically — which is exactly the punctuation pasted text contains.
- Should hyphens be removed from compound words?
- It depends what follows. For word counting, removing the hyphen splits `well-known` into two words and changes the total; for search indexing that is often what you want. The right answer comes from the consumer, not the text.
Common errors and gotchas
- Removing hyphens and apostrophes, which changes words rather than tidying them.
- Losing sentence boundaries, which any later per-sentence analysis then cannot recover.
- Stripping punctuation from code, where it is syntax rather than decoration.
- Assuming only ASCII punctuation is removed, when other scripts have their own marks.
- Leaving the whitespace punctuation used to occupy, which produces doubled spaces.
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