Date Extractor

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This node extracts all dates and times from text and documents.

Options

Input
Column in the input table with the text to extract.
Drop input column
Enable to remove the input column from the output table.
Output column name
The name/prefix of the appended output column(s).
Mapping
Specify how extracted dates should be mapped to column values; the following mapping types are available:
  • Rows: Create one new row with a date and time cell for each found date per input.
  • Collection Cell: Create a single row per input with a collection cell which contains all found dates.
  • Date and Time Cell (first): Create a single row with a date and time cell for each input row (or a missing value in case no date was found)
Append a column with the parse pattern
When activated, an additional column is added to the output table, which denotes the pattern which was used for parsing the date, e.g. YYYY-MM-DDTHH:MM:SS+HH:MM. (in case “Collection Cell” is selected, this is a Collection Cell as well)
Append a column with the input Row ID
When activated, an additional column with the Row ID of the input column is appended.

Input Ports

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Input text as string.

Output Ports

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Table with extracted dates following the “Mapping” as specified in the configuration.

Popular Predecessors

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  • Missing Value< 1 %
  • Excel Reader (XLS)< 1 %
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  • Date/Time Shift (legacy)< 1 %
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  • Load text-based files< 1 %
  • URL to File Path (Variable)< 1 %
  • Loop End< 1 %
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  • Round Double< 1 %
  • Stanford Lemmatizer< 1 %
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  • Files/Folders Meta Info< 1 %
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Installation

To use this node in KNIME, install the extension Palladian for KNIME from the below update site following our NodePit Product and Node Installation Guide:

v5.12

A zipped version of the software site can be downloaded here.

Plugin provider: palladian.ws
Plugin version: 3.4.0.202601041906
On NodePit since: 2026-07-07
Last update: 2026-07-31
Tags: Streamable
KNIME versions: Since v3.7
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