NiFi Ingest 25.2
NiFi Ingest

# str

The `str` method returns the matched text. You can also retrieve the values of sub matches by specifying the `submatch` parameter.

## Syntax

    str( [ submatch ] )

## Arguments

Argument | Description
--- | ---
`submatch` | (number) The sub match to return the value of, starting at 1 for the first sub match. With the default value of 0 the value of the whole match is returned.

## Returns

(String). The value of the sub match.

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Version 25.2 | Last updated April 2025

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Product: Knowledge Discovery NiFi Ingest 25.2

Topic Title: str