> For the complete documentation index, see [llms.txt](https://astro-rpa.gitbook.io/astro-rpa-user-guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://astro-rpa.gitbook.io/astro-rpa-user-guide/g_elements/el_basic/els_data/els_data_strings/el_regex.md).

# Regular expression

![](https://1755238209-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FNnEkyZmLMSWTDXxpygbG%2Fuploads%2Fgit-blob-16fe17ef234f0a75f66653bd0d591d691075f801%2Fimage%20\(173\).png?alt=media)

Element that applies regular expression to given string.

![](https://1755238209-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FNnEkyZmLMSWTDXxpygbG%2Fuploads%2Fgit-blob-000233d7951e731d8143a2f385ef04936a378615%2Fimage%20\(147\).png?alt=media)

Properties

* String\*: \[String] Base string
* RegEx\*: \[String] Regular expression
* Option: Regular expression option
* Result\*: \[Boolean] Regular expression result