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[Ruleset Engine] Fix concat() documentation #23039

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Jun 16, 2025
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[Ruleset Engine] Fix concat() documentation #23039

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[Ruleset Engine] Fix `concat()` documentation
pedrosousa Jun 16, 2025
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pedrosousa Jun 16, 2025
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8 changes: 5 additions & 3 deletions src/content/docs/ruleset-engine/rules-language/functions.mdx
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Expand Up @@ -102,11 +102,13 @@ You can only use the `cidr6()` function in [custom rules](/waf/custom-rules/) an
### `concat`

{/* prettier-ignore */}
<code>concat(<Type text="String | Integer | Bytes | Array elements" />)</code>: <Type text="String" />
<code>concat(<Type text="String | Bytes | Array" />)</code>: <Type text="String | Array" />

Takes a comma-separated list of values. Concatenates the argument values into a single String.
Takes a comma-separated list of values. Concatenates the argument values into a single String or array.

For example, `concat("String1", " ", "String", 2)` will return `"String1 String2"`.
The return type depends on the type of input arguments. For example, if you concatenate arrays, the function will return an array.

For example, `concat("String1", " ", "String", "2")` will return `"String1 String2"`.

### `decode_base64`

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