给show添加了限制

2023-12-14 07:18:41 +00:00
parent 21793ba0e6
commit f0f524dde1
1 changed files with 1 additions and 1 deletions
--- a/backend/src/lexer.cpp
+++ b/backend/src/lexer.cpp
@ -212,7 +212,7 @@ bool CommandShowLexer(const std::string &command, std::string &ISBN,
                      std::string &name, std::string &author,
                      std::string &keyword) {
  static std::basic_regex main_pattern(
-      R"(^ *show(?: +-ISBN=(?:\S{1,20})| +-name=\"(?:[^\s"]{1,60})\"| +-author=\"(?:[^\s"]{1,60})\"| +-keyword=\"(?:[^\s"]{1,60})\")* *$)",
+      R"(^ *show(?: +-ISBN=(?:\S{1,20})| +-name=\"(?:[^\s"]{1,60})\"| +-author=\"(?:[^\s"]{1,60})\"| +-keyword=\"(?:[^\s"]{1,60})\")? *$)",
      std::regex_constants::optimize);

  bool has_ISBN = false;