The Mutt E-Mail Client : Reference : Configuration variables : gecos_mask
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## 6.3.57. gecos_mask

Type: regular expression
Default: "ˆ[ˆ,]*"

A regular expression used by mutt to parse the GECOS field of a password entry when expanding the alias. By default the regular expression is set to "ˆ[ˆ,]*" which will return the string up to the first "," encountered. If the GECOS field contains a string like "lastname, firstname" then you should set the gecos_mask=".*".

This can be useful if you see the following behavior: you address a e-mail to user ID stevef whose full name is Steve Franklin. If mutt expands stevef to "Franklin" stevef@foo.bar then you should set the gecos_mask to a regular expression that will match the whole name so mutt will expand "Franklin" to "Franklin, Steve".

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