McAfee VirusScan 10.0, User Manual

Page: 91 / 98

Working With Blocked and Accepted Messages
48 McAfee
®
SpamKiller
®
software version 7.0
\D
Matches a non-digit character. Equivalent to [^0-9].
\f
Matches a form-feed character.
\n
Matches a new line character.
\r
Matches a carriage return character.
\s
Matches any white space including space, tab, form-feed, etc. Equivalent to “[
\f\n\r\t\v]“.
\S
Matches any nonwhite space character. Equivalent to “[^ \f\n\r\t\v]“.
\t
Matches a tab character.
\v
Matches a vertical tab character.
\w
Matches any word character including underscore. Equivalent to “[A-Za-z0-9_]“.
\W
Matches any non-word character. Equivalent to “[^A-Za-z0-9_]“.
\num
Matches num, where num is a positive integer. A reference back to remembered
matches. For example, “(.)\1“ matches two consecutive identical characters.
\n
Matches n, where n is an octal escape value. Octal escape values must be 1, 2, or 3
digits long. For example, “\11“ and “\011“ both match a tab character. “\0011“ is
the equivalent of “\001“ & “1“. Octal escape values must not exceed 256. If they
do, only the first two digits comprise the expression. Allows ASCII codes to be
used in regular expressions.