✨ Feature: 命令匹配支持强制指定空白符 (#1748)

nonebot/params.py

@@ -39,6 +39,7 @@ from nonebot.consts import (
     FULLMATCH_KEY,
     REGEX_MATCHED,
     STARTSWITH_KEY,
+    CMD_WHITESPACE_KEY,
 )
 
 
@@ -114,6 +115,15 @@ def CommandStart() -> str:
     return Depends(_command_start)
 
 
+def _command_whitespace(state: T_State) -> str:
+    return state[PREFIX_KEY][CMD_WHITESPACE_KEY]
+
+
+def CommandWhitespace() -> str:
+    """消息命令与参数之间的空白"""
+    return Depends(_command_whitespace)
+
+
 def _shell_command_args(state: T_State) -> Any:
     return state[SHELL_ARGS]  # Namespace or ParserExit