Import/Export of S&R patterns for Search and Replace Step

[Former user]

Original [issue 120](https://code.google.com/p/okapi/issues/detail?id=120) created by @ysavourel on 2010-02-17T21:53:08.000Z:

It would be nice to have a way to save/load search&replace patterns indepndantely of the Search and Replace step itself. The storage format could be a simple tab-delimited file: one line per pattern, <search text><tab><replace text>

[Former user]

Comment [2.](https://code.google.com/p/okapi/issues/detail?id=120#c2) originally posted by @fliden on 2010-03-23T18:03:20.000Z: