Utilizing Regex in PMML

[axemixer]

Is it possible that adding replace function with regex in PMML? If so , Do you have such an example ? I've done some research online but could not find anything about that.

Thanks

[vruusmann]

Is it possible that adding replace function with regex in PMML?

See http://dmg.org/pmml/v4-4-1/BuiltinFunctions.html#replace

Do you have such an example ?

Scikit-Learn - implemented as the sklearn2pmml.preprocessing.ReplaceTransformer transformer class: https://github.com/jpmml/sklearn2pmml/blob/0.66.1/sklearn2pmml/preprocessing/__init__.py#L318-L333

Examples:
https://github.com/jpmml/sklearn2pmml/blob/0.66.1/sklearn2pmml/preprocessing/tests/__init__.py#L387-L392
https://github.com/jpmml/jpmml-sklearn/blob/1.6.11/src/test/resources/main.py#L132

Apache Spark ML - implemented as the regexp_replace SQL function via the org.apache.spark.ml.feature.SQLTransformer transformer class.

Examples:
https://github.com/jpmml/jpmml-sparkml/blob/1.5.11/src/test/java/org/jpmml/sparkml/ExpressionTranslatorTest.java#L195-L209