No, not with the core modules. I would start using Sideview Utils, which provides a number of modules that can help here. The two relevant modules here are ValueSetter and HTML. 1) You can use a ValueSetter module to glue the $search$ and $postProcess$ values together and url-encode them. Give ValueSetter a name of "redirectURL", set ValueSetter's "urlEncodeKeys" param to "search,postProcess", then set its "value" param to "$search$ $postProcess$". 2) Then use an HTML module downstream from the ValueSetter, to create a link, and then you can use the $redirectUrl$ token within that link.
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