=head1 DESCRIPTION
This 'cheat sheet' is a handy reference, meant for beginning Perl
-programmers. Not everything is mentioned, but 194 features may
+programmers. Not everything is mentioned, but 195 features may
already be overwhelming.
=head2 The sheet
.. ... + one or more /s . includes \n
?: * zero or more /x ign. wh.space
= += -= *= etc. ? zero or one /g global
- , => {3,7} repeat in range
- list ops () capture REGEX CHARCLASSES
- not (?:) no capture . == [^\n]
- and [] character class \s == [\x20\f\t\r\n]
- or xor | alternation \w == [A-Za-z0-9_]
- \b word boundary \d == [0-9]
- \z string end \S, \W and \D negate
- DO
- use strict; DON'T LINKS
- use warnings; "$foo" perl.com
- my $var; $$variable_name perlmonks.org
+ , => {3,7} repeat in range /o cmpl pat. once
+ list ops () capture
+ not (?:) no capture REGEX CHARCLASSES
+ and [] character class . == [^\n]
+ or xor | alternation \s == [\x20\f\t\r\n]
+ \b word boundary \w == [A-Za-z0-9_]
+ \z string end \d == [0-9]
+ DO \S, \W and \D negate
+ use strict; DON'T
+ use warnings; "$foo" LINKS
+ my $var; $$variable_name perl.com
open() or die $!; `$userinput` use.perl.org
use Modules; /$userinput/ perl.apache.org
- parrotcode.org
+
FUNCTION RETURN LISTS
stat localtime caller SPECIAL VARIABLES
0 dev 0 second 0 package $_ default variable