(!, && and ||) operators, VCL supports regular expression and ACL
matching using the ~ operator.
.Pp
-Unlike C and Perl, the backslash (\\) character has no special meaning
+Unlike C and Perl, the backslash (\e) character has no special meaning
in strings in VCL, which use the (%xx) escape mechanism just like URLs,
so it can be freely used in regular expressions without doubling.
.Pp
.host = "www.example.com";
.port = "http";
.probe = {
- # NB: \\r\\n automatically inserted after each string!
+ # NB: \er\en automatically inserted after each string!
.request =
"GET / HTTP/1.1"
"Host: www.foo.bar"
.Fa sub .
Within
.Fa sub ,
-.Va \\0
+.Va \e0
(which can also be spelled
.Va & )
is replaced with the entire matched string, and
-.Va \\n
+.Va \en
is replaced with the contents of subgroup
.Ar n
in the matched string.