Web Gateway 7.1.5 Product Guide - McAfee

Appendix: Configuration lists
Wildcard expressions
Table A-7 List of important special regex characters (continued)
Character Description
{...}
Are used to match a character as many times as specified
Options:
– a{n}
Matches a character n times
For example, regex(a{3}) matches:
aaa
– a{n,}
Matches a character n and more times
For example, regex(p{4,}) matches:
pppp
pppppp
and others
– a{n,m} Matches a character between n and m times, including the limiting values
For example, regex(q{1,3}) matches:
q
qq
qqq
| Matches alternative expressions
For example, regex(abc|jkl) matches:
abc
jkl
(...) Are used to group characters in an alternative expression
For example, regex(de(r|st)) matches:
der
dest
[...] Matches any of the single characters included in the square brackets
For example, regex([bc3]) matches:
b
c
3
- Is used to denote a range of characters in a bracket expression
For example, regex([c-f C-F 3-5]) matches:
d
F
4
and others
370 McAfee Web Gateway 7.1.5 Product Guide