Regular Expressions Do Not Work in DIR Command

Well, my starting to play with regular expressions has certainly led to discovering a lot of bugs. Here's another one.

The help entry called "Wildcards and Regular Expressions" shows how to use regular expressions for file name matching, such as with the DIR command. The discussion includes the following examples.

dir ::ca[td]
dir "::^\w{1,8}\.btm$"

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The second example illustrates what to do if the regular expression contains any special characters, such as whitespace, redirection...

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