Rule based row filter: How to escape asterisk in regex?

Hello @rollo67,

and welcome to KNIME Community!

In some nodes you’ll need multiple backslashes in order to escape special characters. See here for more. In your example to match asteriks this is expression:
$name$ MATCHES /\\*.*/ => TRUE

Besides standard nodes, for dealing with regex you might find Regex Extractor useful:

Br,
Ivan

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