Added the \CregexpC syntax as an alternative for /regexp/ (like GNU sed)
diff --git a/editors/sed.c b/editors/sed.c
index 84aea9b..5fc3a14 100644
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -194,7 +194,11 @@
 		*linenum = -1;
 		idx++;
 	}
-	else if (my_str[idx] == '/') {
+	else if (my_str[idx] == '/' || my_str[idx] == '\\') {
+		if (my_str[idx] == '\\') {
+			my_str[idx] = 0;
+			sed_cmd-> delimiter = my_str[++idx];
+		}
 		idx = index_of_next_unescaped_regexp_delim(sed_cmd, my_str, ++idx);
 		if (idx == -1)
 			error_msg_and_die("unterminated match expression");