You might want to consider using single quotes to protect your globs and regexps more rather than backslashes. \✳.[ch] will match the ./✳.c that may have been a

You might want to consider using single quotes to protect your globs and regexps more rather than backslashes. \✳.[ch] will match the ./✳.c that may have been accidentally created by an earlier error, then find will only look for a file called precisely ✳.c and nothing else. '✳.[ch]' or \✳.\[ch] is what's meant. (Edited to use ✳ to workaround unescapable mark-up.)