[[esql-to_version]]
=== `TO_VERSION`
Converts an input string to a version value. For example:

[source,esql]
----
include::{esql-specs}/version.csv-spec[tag=to_version]
----

which returns:

[%header,format=dsv,separator=|]
|===
include::{esql-specs}/version.csv-spec[tag=to_version-result]
|===

The input can be a single- or multi-valued field or an expression.

Alias: TO_VER