# Regular Expressions

> For the complete documentation index, see [llms.txt](https://docs.redpanda.com/llms.txt). Component-specific: [cloud-data-platform-full.txt](https://docs.redpanda.com/cloud-data-platform-full.txt)

---
title: Regular Expressions
latest-operator-version: v26.1.4
latest-console-tag: v3.7.3
latest-connect-version: 4.93.0
latest-redpanda-tag: v26.1.9
docname: sql/sql-functions/string-functions/regex/index
page-component-name: cloud-data-platform
page-version: master
page-component-version: master
page-component-title: Cloud
page-relative-src-path: sql/sql-functions/string-functions/regex/index.adoc
page-edit-url: https://github.com/redpanda-data/cloud-docs/edit/main/modules/reference/pages/sql/sql-functions/string-functions/regex/index.adoc
description: Reference for regular expression functions in Redpanda SQL.
page-git-created-date: "2026-05-26"
page-git-modified-date: "2026-05-26"
---

<!-- Source: https://docs.redpanda.com/cloud-data-platform/reference/sql/sql-functions/string-functions/regex.md -->

-   [POSIX Regular Expressions](posix-regular-expressions/)

    POSIX (Portable Operating System Interface) defines a set of standard operating system interfaces based on the UNIX OS.

-   [regexp\_match](regexp-match/)

    The \`regexp\_match()\` function matches a POSIX regular expression pattern to a string.

-   [regexp\_replace](regexp-replace/)

    The \`regexp\_replace()\` function replaces all occurrences of a regular expression pattern in a string with a specified replacement string.