Prevent errors when user uses a non-capturing group in a regex search.
Prevent errors when user uses a non-capturing group in a regex search.

Charcoal-SE/metasmoke,Charcoal-SE/metasmoke,j-f1/forked-metasmoke,Charcoal-SE/metasmoke,j-f1/forked-metasmoke,j-f1/forked-metasmoke,Charcoal-SE/metasmoke,j-f1/forked-metasmoke