diff options
Diffstat (limited to 'pod/perlre.pod')
| -rw-r--r-- | pod/perlre.pod | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/pod/perlre.pod b/pod/perlre.pod index 5af167b820..5ea15a013a 100644 --- a/pod/perlre.pod +++ b/pod/perlre.pod @@ -230,9 +230,8 @@ also work: \a alarm (bell) (BEL) \e escape (think troff) (ESC) \033 octal char (example: ESC) - \x1B hex char (example: ESC) - \x{263a} long hex char (example: Unicode SMILEY) \cK control char (example: VT) + \x{}, \x00 character whose ordinal is the given hexadecimal number \N{name} named Unicode character \N{U+263D} Unicode character (example: FIRST QUARTER MOON) \l lowercase next char (think vi) @@ -490,8 +489,8 @@ Examples: "aa" =~ /${b}/; # True "aa0" =~ /${a}0/; # False! "aa0" =~ /${b}0/; # True - "aa\x8" =~ /${a}0/; # True! - "aa\x8" =~ /${b}0/; # False + "aa\x08" =~ /${a}0/; # True! + "aa\x08" =~ /${b}0/; # False Several special variables also refer back to portions of the previous match. C<$+> returns whatever the last bracket match matched. @@ -1759,9 +1758,9 @@ spell out the character sets in full. 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, "\f" a form feed, etc. More generally, \I<nnn>, where I<nnn> is a string -of octal digits, matches the character whose coded character set value +of three octal digits, matches the character whose coded character set value is I<nnn>. Similarly, \xI<nn>, where I<nn> are hexadecimal digits, -matches the character whose numeric value is I<nn>. The expression \cI<x> +matches the character whose ordinal is I<nn>. The expression \cI<x> matches the character control-I<x>. Finally, the "." metacharacter matches any character except "\n" (unless you use C</s>). |