And you can use letter collections (as you might in a regular expression), for example, to list the files with a "c" or "o" extension, as shown in Listing 2.

并且您可以使用字母集合(就像您可能在正则表达式中使用的那样)，例如，用于列出具有“c”或“o”扩展名的文件，如清单2所示。

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A letter in the Science Museum's files noted that W.

科学博物馆档案中的一封书信显示，布拉默w。

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Keep a copy of the letter you send to the insurer in your files.

保留一份在你给保险公司文件中的信的副本。

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After hearing from veterans who received the letter but do not have ALS, the VA immediately began reviewing individual claims files for all the recipients to determine who received the letter by mistake, agency spokeswoman Katie Roberts said in the statement.

CNN: VA to apologize for mistaken Lou Gehrig's disease notices

In the April letter to the AICPA, the IRS said its request for complete software files is part of an effort to modernize.

WSJ: Small Businesses Fight IRS Over Data

In his letter to Davis, Haggis said that he was worried that the church might look through his files to smear him, too.

NEWYORKER: The Apostate