docs: Add clarification to enable-regex-cmp flag (#2995)

* Adding clarification to regexcmp flag * Update runatlantis.io/docs/server-configuration.md Co-authored-by: nitrocode <[email protected]>
runatlantis · Jan 18, 2023 · 30a7aa6 · 30a7aa6
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commit 30a7aa6
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diff --git a/runatlantis.io/docs/server-configuration.md b/runatlantis.io/docs/server-configuration.md
@@ -394,6 +394,8 @@ and set `--autoplan-modules` to `false`.
   Enable Atlantis to use regular expressions to run plan/apply commands against defined project names when `-p` flag is passed with it.
 
   This can be used to run all defined projects (with the `name` key) in `atlantis.yaml` using `atlantis plan -p .*`.
+
+  The flag will only allow the regexes listed in the [`allowed_regexp_prefixes`](https://www.runatlantis.io/docs/repo-level-atlantis-yaml.html#reference) key defined in the repo `atlantis.yaml` file. If the key is undefined, its value defaults to `[]` which will allow any regex.
 
   This will not work with `-d` yet and to use `-p` the repo projects must be defined in the repo `atlantis.yaml` file.