For example, if a user were to type in a string that is used to search some index, it may be important to filter the string for improper wildcard characters that might cause unbounded searches.

例如，如果用户要输入一个字符串，用它来搜索某个索引，则必须过滤掉可能会造成越界搜索的不合适的通配符，这是很重要的。

youdao

For example, if a user were to type in a string that is used to search some index, it may be important to filter the string for improper wildcard characters that might cause unbounded searches.

例如，如果用户要输入一个字符串，用它来搜索某个索引，则必须过滤掉可能会造成越界搜索的不合适的通配符，这是很重要的。

youdao