McAfee VirusScan 10.0, Руководство пользователя

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User Guide 47
Adding filters
x|y
Matches either x or y. For example, “z|wood“ matches “z“ or “wood“. “(z|w)oo“
matches “zoo“ or “wood“.
{n}
The n is a non negative integer. Matches exactly n times. For example, “o{2}“ does
not match the “o“ in “Bob,“ but matches the first two o's in “foooood“.
{n,}
The n is a non negative integer. Matches at least n times. For example, “o{2,}“ does
not match the “o“ in “Bob“ and matches all the o's in “foooood.“ “o{1,}“ is
equivalent to “o+“. “o{0,}“ is equivalent to “o*“.
{n,m}
The m and n are non negative integers. Matches at least n and at most m times. For
example, “o{1,3}“ matches the first three o's in “fooooood.“ “o{0,1}“ is equivalent
to “o?“.
[xyz]
A character set. Matches any one of the enclosed characters. For example, “[abc]“
matches the “a“ in “plain“.
[^xyz]
A negative character set. Matches any character not enclosed. For example,
“[^abc]“ matches the “p“ in “plain“.
[a-z]
A range of characters. Matches any character in the specified range. For example,
“[a-z]“ matches any lowercase alphabetic character in the range “a“ through “z“.
[^m-z]
A negative range characters. Matches any character not in the specified range. For
example, “[m-z]“ matches any character not in the range “m“ through “z“.
\b
Matches a word boundary, that is, the position between a word and a space. For
example, “er\b“ matches the “er“ in “never“ but not the “er“ in “verb“.
\B
Matches a non-word boundary. “ea*r\B“ matches the “ear“ in “never early“.
\d
Matches a digit character. Equivalent to [0-9].