Context_​Capturing_​with_​Regex

0 ×

Capture the context of a target word. A context is defined as characters before or after the target word.

The regex used is :
.{10}\sin\s.{10}

The regex translated to English:
.{10} – Find 10 characters (spaces are technically characters)
\s – literal space
"in" – target word

The numbers (here 10) indicate the context window size which can be changed by the user.

Adopted library: https://download.java.net/java/early_access/loom/docs/api/java.base/java/util/regex/package-summary.html

Forum question which inspired this workflow: https://forum.knime.com/t/extract-all-instances-of-term-from-string/45735/6

Nodes

• Column Rename (Regex)2 ×
• Column Appender1 ×
• Column Selection Configuration1 ×
• Column Splitter1 ×
• Component Input1 ×
• Show all 11 nodes

Extensions

• FeatureKNIME Base nodes
• FeatureKNIME JavaScript Views
• FeatureKNIME Javasnippet
• FeatureKNIME Quick Forms

Links

• Forum post inspiring workflow

  forum.knime.com/t/extract-all-instances-of-term-from-string/45735/6
• Adopted library

  download.java.net/java/early_access/loom/docs/api/java.base/java/util/regex/package-summary.html