Represents any single character except for a line break or paragraph break. For example, the search term &quot; sh.rt &quot; returns both &quot; shirt &quot; and &quot; short &quot; .
代表除换行符和分段符之外的任意单个字符。例如，查找 &quot; sh.rt &quot; 将同时返回 &quot; shirt &quot; 和 &quot; short &quot; 。