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Diffstat (limited to 'pod/perlre.pod')
| -rw-r--r-- | pod/perlre.pod | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/pod/perlre.pod b/pod/perlre.pod index 2b24379c8b..37434a67e7 100644 --- a/pod/perlre.pod +++ b/pod/perlre.pod @@ -515,7 +515,11 @@ in C<[]>, which will match any one of the characters in the list. If the first character after the "[" is "^", the class matches any character not in the list. Within a list, the "-" character is used to specify a range, so that C<a-z> represents all the characters between "a" and "z", -inclusive. +inclusive. If you want "-" itself to be a member of a class, put it +at the start or end of the list, or escape it with a backslash. (The +following all specify the same class of three characters: C<[-az]>, +C<[az-]>, and C<[a\-z]>. All are different from C<[a-z]>, which +specifies a class containing twenty-six characters.) Characters may be specified using a metacharacter syntax much like that used in C: "\n" matches a newline, "\t" a tab, "\r" a carriage return, |