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grafana/docs/sources/panels/format-data/map-a-regular-expression.md
Christopher Moyer 449c608ef1
Docs/panel refactor (#43569) 
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+++ title = "Map a regular expression" weight = 40 aliases = ["/docs/sources/panels/format-data/map-a-regular-expression/"] +++

Map a regular expression

Map a regular expression when you want to format the text and color of a regular expression value.

Before you begin

  • [Add a panel to a dashboard]({{< relref "../working-with-panels/add-panel.md" >}}).

To map a regular expression:

  1. Edit the panel for which you want to map a regular expression.
  2. In the panel display options, in the Value mappings section, click Add value mappings.
  3. Click Add a new mapping and then select Regex.
  4. Enter the regular expression pattern for Grafana to match.
  5. (Optional) Enter display text.
  6. (Optional) Set the color.
  7. Click Update to save the value mapping.