The Mutt E-Mail Client : Reference : Configuration variables : mask
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## 6.3.100. mask

Type: regular expression
Default: "!ˆ\.[ˆ.]"

A regular expression used in the file browser, optionally preceded by the not operator ``!''. Only files whose names match this mask will be shown. The match is always case-sensitive.

The Mutt E-Mail Client : Reference : Configuration variables : mask
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