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Regular expression

Regular expressions can be used to determine the filtering conditions of Biz Filter for Outlook.
Regular expressions work of this add-in software based on the Windows .NET Framework specification.
For details, see the Microsoft website.
https://docs.microsoft.com/dotnet/standard/base-types/regular-expression-language-quick-reference

This document explains the description method used for general purposes.

Character Escapes

\t	Matches a tab
\r	Matches a carriage return
\n	Matches a new line
\s	Matches any white-space character

Meta characters

.	Wildcard: Matches any single character except \n
^	The match must start at the beginning of the string
$	The match must occur at the end of the string
*	Matches the previous element zero or more times
+	Matches the previous element one or more times
?	Matches the previous element zero or one time
|	Matches any one element separated by the vertical bar (|) character
[]	Any single character in group
()	Captures the matched subexpression and assigns it a one-based ordinal number
(?<name>)	Captures the matched subexpression into a named group

Note

Matching characters captured with the capture group name can be used to create folders.

There is a lot of information on the website about regular expressions, so please refer to that information as well.

Notice

The regular expression function is available with a professional license (or higher).

Software support is available on the inquiry page on our web site, but we do not answer inquiries regarding how to write regular expressions.