Catch any exceptions that could be caused by manipulating files.
捕获操作文件可能导致的任何异常。
A regular expression doesn't have to contain wildcards, but wildcards can make regular expressions useful for searching for patterns and manipulating files.
正则表达式不一定包含通配符，但通配符可以使正则表达式在搜索模式和处理文件时发挥更大的作用。
A regular expression doesn't have to contain wildcards, but wildcards can make regular expressions useful for searching for patterns and manipulating files.
正则表达式不一定包含通配符，但通配符可以使正则表达式在搜索模式和处理文件时发挥更大的作用。
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