Remove Numbers
Strip every digit out of your text.
Original Characters: 0Cleaned Characters: 0
Stripping digits from text
This removes every digit (0–9) from your text, leaving letters, punctuation, and symbols in place — useful for redacting IDs, cleaning up scraped data, or extracting the non-numeric parts of a string. Decimal points and currency symbols stay; only the digits go. Turn on space-collapsing to tidy the gaps the removed numbers leave behind. Everything runs locally in your browser.
Built and maintained by Meet Shah · Last updated
What this tool is used for
- Stripping figures out of a passage so you can compare the wording without the data.
- Cleaning a scraped list where every entry is prefixed by an index.
- Removing quantities from an ingredient list to get just the ingredient names.
- Preparing text for a frequency analysis that digits would skew.
- Clearing numeric noise out of OCR output before proofreading it.
Frequently Asked Questions
- Are digits inside words removed?
- Yes — "COVID-19" becomes "COVID-" and "h2o" becomes "ho". If you only want standalone numbers, the operation needs a word-boundary rule rather than a blanket digit strip.
- What about non-Latin digits?
- A [0-9] filter misses Arabic-Indic (٠١٢), Devanagari (०१२) and fullwidth (０１２) digits entirely. Unicode-aware removal uses the \p{Nd} category, which covers every decimal digit in every script.
- Are decimal points and separators handled?
- Stripping digits from "3.14" leaves a bare ".", and from "1,234" leaves ",". If you want whole numeric tokens gone, match the number pattern including its separators rather than the digits alone.
- What is this used for?
- Text normalisation before linguistic analysis, where numeric tokens add noise; anonymising documents by removing IDs and account numbers; and cleaning OCR output, where stray digits are often misread characters.
- Does it remove written-out numbers?
- No — "twenty" and "first" are words, not digits, and survive. Removing those requires a word list, and is a different operation from digit stripping.
- Does it remove digits from inside words?
- Yes — the operation is character-level, so `abc123def` becomes `abcdef` rather than losing the whole token. Removing entire words that contain a digit is a different operation requiring a word-boundary match.
- What counts as a digit outside ASCII?
- Unicode has decimal digits in many scripts — Arabic-Indic, Devanagari, fullwidth forms — all in category Nd. A `[0-9]` pattern misses every one, which is why a document in Hindi or Japanese can look completely untouched by a strip that appeared to work.
- What happens to version numbers and identifiers?
- They are destroyed — `v2.1.0` becomes `v..` and an order reference becomes a fragment. Anything where digits carry identity has to be excluded before stripping, or the text loses the part that mattered.
Common errors and gotchas
- Removing digits inside words, so a product code or a version turns into an unrecognisable fragment.
- Stripping the digits from a date or a phone number and leaving the punctuation behind as debris.
- Assuming only ASCII digits are removed, when other scripts have their own numerals.
- Losing a decimal point's meaning, where 3.5 becomes a stray full stop.
- Removing numbers from code, which changes behaviour rather than tidying prose.
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