---
title: "Filter a string of characters by Unicode property"
method: GET
path: "/filter/{data}"
---

# Filter a string of characters by Unicode property

`GET /filter/{data}`

You can negate properties by appending a “!” to it:
  filter/string?age!=5.5 finds all characters in “string” that were
  *not* added in Unicode 5.5.

## Response `200`

the filtered string

- string

## Changes

- **2026-07-17** `7113584da86c` — 1 info
  - api operation id `filter` was added
- **2021-03-06** `ec01b0b9dfaa` — 1 info
  - api operation id `filter` removed and replaced with ``

[Change history](https://skmtc.dev/codepoints/apis/codepoints-net-unicode-api/changes/filter/:data/get.md)

---

[API](https://skmtc.dev/codepoints/apis/codepoints-net-unicode-api.md) · [All operations](https://skmtc.dev/codepoints/apis/codepoints-net-unicode-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/codepoints/codepoints-net-unicode-api/revisions/7113584da86c/schema)