Select and replace

Hello everyone,
On a track Audacity.
After selecting a sample.
How to automatically find the samples and replaced by silence (for example)
Thank you
Best regards

Audacity 1.3.11
Mac OSX 10.4.11

Double-posting is not nice. See my reply in the 1.3.x Mac OS forum.

– Bill

Hi billw58,

Double thank you for your reply.
True, the double post was a mistake.

Best regards