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Regex - Use Pattern to select columns to be handled with Group By Node - KNIME Forum (91363)

<p>Use Regex Pattern to select columns to be handled with Group By Node</p>

URL: Use Regex Pattern to select columns to be handled with Group By Node https://forum.knime.com/t/looping-through-multiple-files-with-multiple-column-names/91363/2?u=mlauber71

Use Regex Pattern to select columns to be handled with Group By Node

https://forum.knime.com/t/looping-through-multiple-files-with-multiple-column-names/91363/2?u=mlauber71

use "Regex_Pattern"to identify the columns you want to aggregate
GroupBy
which columns to aggregatejust select them
Column Filter
GroupBy
Example Data Reader
Column Auto Type Cast
Number to String
Extract Table Spec
Regex_Pattern
Expression
Regex_Pattern
Table Row to Variable

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Created by: m_lauber
Created at: 2025-11-29
On NodePit since: 2026-02-07
Last update: 2026-02-07
Created with KNIME version: v5.9.0
Tags: RegExGroupByGroup By

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