@Stacey Yes. The single quotes prevent shell expansion, so for example \.code would pass .code to grep (because the shell expands \. to .), whereas '\.code' passes \.code to grep. Using .code or '.code' passes .code to grep, and . is a regexp metacharacter.

edited: :21635331 Yes. The single quotes prevent shell expansion, so for example `\.code` would pass `.code` to grep (because the shell expands `\.` to `.`), whereas `'\.code'` passes `\.code` to grep. Using `.code` or `'.code'` passes `.code` to grep, and `.` is a regexp metacharacter.

said: :21635331 Yes. The single quotes prevent shell expansion, so for example `\.code` would pass `.code` to grep (because the shell expands `\.` to `.`), whereas `'\.code'` passes `.code` to grep. Using `.code` or `'.code'` passes `.code` to grep, and `.` is a regexp metacharacter.