This refine plugin allows the user to extract e-mails, urls and telephone numbers from a column in OpenRefine
##Installation 0. Compile the source code using ant build in the extension/plugin folder 0. Follow the steps at https://github.com/OpenRefine/OpenRefine/wiki/Installing-Extensions
- Open or create a project
- Click the small triangle before the column name and choose Extract e-mails,urls,etx...
- Choose the interest operation
- Click Facet
- Choose custom text facet
- Write value.checkLuhn()
This extension is provided free of charge under the MIT license.