# String functions

[Read this page in HTML](https://www.scopedb.io/docs/reference/functions/string)

String functions process text data, such as event messages and labels.

## List of functions

* [|| (string concatenation)](https://www.scopedb.io/docs/reference/functions/string/concat.md)
* [contains](https://www.scopedb.io/docs/reference/functions/string/contains.md)
* [ends\_with](https://www.scopedb.io/docs/reference/functions/string/ends_with.md)
* [length](https://www.scopedb.io/docs/reference/functions/string/length.md)
* [ltrim](https://www.scopedb.io/docs/reference/functions/string/ltrim.md)
* [lower](https://www.scopedb.io/docs/reference/functions/string/lower.md)
* [lpad, rpad](https://www.scopedb.io/docs/reference/functions/string/pad.md)
* [md5](https://www.scopedb.io/docs/reference/functions/string/md5.md)
* [regexp\_extract, regexp\_extract\_all](https://www.scopedb.io/docs/reference/functions/string/regexp_extract.md)
* [regexp\_like](https://www.scopedb.io/docs/reference/functions/string/regexp_like.md)
* [regexp\_replace](https://www.scopedb.io/docs/reference/functions/string/regexp_replace.md)
* [repeat](https://www.scopedb.io/docs/reference/functions/string/repeat.md)
* [replace](https://www.scopedb.io/docs/reference/functions/string/replace.md)
* [reverse](https://www.scopedb.io/docs/reference/functions/string/reverse.md)
* [rtrim](https://www.scopedb.io/docs/reference/functions/string/rtrim.md)
* [search](https://www.scopedb.io/docs/reference/functions/string/search.md)
* [search\_ip](https://www.scopedb.io/docs/reference/functions/string/search_ip.md)
* [split](https://www.scopedb.io/docs/reference/functions/string/split.md)
* [starts\_with](https://www.scopedb.io/docs/reference/functions/string/starts_with.md)
* [String slicing](https://www.scopedb.io/docs/reference/functions/string/substr.md)
* [tokenize](https://www.scopedb.io/docs/reference/functions/string/tokenize.md)
* [trim](https://www.scopedb.io/docs/reference/functions/string/trim.md)
* [upper](https://www.scopedb.io/docs/reference/functions/string/upper.md)