Index: Symbols

• -0 option (perl) : Command-Line Options
• (octal value) sequence : Escaped Sequences
• & (ampersand)
• • AND bitwise operator : Bitwise Operators
  • calling subroutines : Calling Subroutines
  • in encoded URLs : URL Encoding
  • prototype symbol : Prototypes
  • && (logical AND) operator : Logical Operators
  • &&= (assignment) operator : Assignment Operators
  • &= (assignment) operator : Assignment Operators
• <> (angle brackets) : Formats
• • greater-than operator : Relational operators
  • less-than operator : Relational operators
  • < Perl debugger command : Reference: <
  • << Perl debugger command : Reference: <<
  • <<= (assignment) operator : Assignment Operators
  • <= (less-than-or-equal) operator : Relational operators
  • <=> (comparison) operator : Equality operators
  • <% %> delimiters : Server-Side PerlScript
  • > Perl debugger command : Reference: >
  • <...> line-input operator : Filehandles
  • >> to open file for appending : Filehandles
  • >> Perl debugger command : Reference: >>
  • >>= (assignment) operator : Assignment Operators
  • >= (greater-than-or-equal) operator : Relational operators
• * (asterisk)
• • multiplication operator : Arithmetic Operators
  • prototype symbol (typeglob) : Prototypes
  • regular expression metacharacter : Regular Expression Syntax
  • ** (exponentiation) operator : Arithmetic Operators
  • **= (assignment) operator : Assignment Operators
  • *= (assignment) operator : Assignment Operators
  • *? regular expression quantifier : Quantifiers
• @ (at sign)
• • @_ array : Passing Arguments
  • dereferencing with : Dereferencing
  • format fieldholders : Formats
  • prototype symbol (list) : Prototypes
  • signifying arrays : Arrays
• (backslash)
• • creating references : Creating References
  • in prototype declarations : Prototypes
  • reference creation operator : Unary Operators
  • regular expression metacharacter : Regular Expression Syntax
• ! (bang)
• • CPAN.pm eval command : Reference: !
  • logical negation operator : Unary Operators
  • .newsrc entries : The News::Newsrc Module
  • Perl debugger command : Reference: !
  • !! Perl debugger command : Reference: !!
  • != (not equal to) operator : Equality operators
  • !~ (pattern match) operator : Pattern Match Operators
• {} (braces)
• • delimiting statement blocks : Statements
  • regular expression metacharacter : Regular Expression Syntax
  • regular expression quantifiers : Quantifiers
  • { Perl debugger command : Reference: {
  • {{ Perl debugger command : Reference: {{
• [] (brackets)
• • Perl debugger command : Reference: =
  • regular expression metacharacter
  • • Regular Expression Syntax
    • Character Classes
• ^ (caret)
• • in [...] construct : Character Classes
  • filled field fieldholder : Formats
  • grid geometry manager placeholder : The grid Geometry Manager
  • regular expression anchor : Anchors
  • regular expression metacharacter : Regular Expression Syntax
  • XOR bitwise operator : Bitwise Operators
  • ^= (assignment) operator : Assignment Operators
• (colon)
• • .newsrc entries : The News::Newsrc Module
  • in package names : Namespaces and Packages
• (comma)
• • number legibility without : Numbers
  • operator : Comma operator
• $ (dollar sign)
• • dereferencing with : Dereferencing
  • prototype symbol (scalar) : Prototypes
  • regular expression anchor : Anchors
  • regular expression metacharacter : Regular Expression Syntax
  • signifying scalar variables : Variables
• $ variables
• • $0 variable : Global Special Variables
  • $1, $2, $3, ...
  • • Regular Expression Special Variables
    • Pattern Match Variables
  • $& variable : Regular Expression Special Variables
  • $< variable : Global Special Variables
  • $> variable : Global Special Variables
  • $' variable : Regular Expression Special Variables
  • $@ variable : Global Special Variables
  • $\ variable : Global Special Variables
  • $` variable : Regular Expression Special Variables
  • $! variable : Global Special Variables
  • $[ variable : Global Special Variables
  • $] variable : Global Special Variables
  • $^ variable : Filehandle Special Variables
  • $^A variable : Global Special Variables
  • $^D variable : Global Special Variables
  • $^E variable : Global Special Variables
  • $^F variable : Global Special Variables
  • $^H variable : Global Special Variables
  • $^I variable : Global Special Variables
  • $^L variable : Global Special Variables
  • $^M variable : Global Special Variables
  • $^O variable : Global Special Variables
  • $^P variable : Global Special Variables
  • $: variable : Global Special Variables
  • $, variable : Global Special Variables
  • $$ variable : Global Special Variables
  • $. variable : Global Special Variables
  • $= variable : Filehandle Special Variables
  • $# variable : Global Special Variables
  • $- variable : Filehandle Special Variables
  • $( variable : Global Special Variables
  • $) variable : Global Special Variables
  • $% variable : Filehandle Special Variables
  • $+ variable : Regular Expression Special Variables
  • $? variable : Global Special Variables
  • $" variable : Global Special Variables
  • $; variable : Global Special Variables
  • $/ variable : Global Special Variables
  • $~ variable : Filehandle Special Variables
  • $_ ($ARG) variable : Global Special Variables
  • $| variable : Filehandle Special Variables
  • $^T variable : Global Special Variables
  • $^W variable : Global Special Variables
  • $^X variable : Global Special Variables
• (dot)
• • concatenation operator : String operator
  • Perl debugger command : Reference: .
  • regular expression metacharacter : Regular Expression Syntax
  • .. (range) operator : Range operator
  • ... (range) operator : Range operator
  • .= (assignment) operator : Assignment Operators
• = (equal sign)
• • assignment operator
  • • Variables
    • Assignment Operators
  • for embedded documentation (pod) : Program Structure
  • in hash name/value pairs : Hashes
  • for pod commands : Pod
  • == (equal to) operator : Equality operators
  • => operator, defining key/value pairs
  • • Hashes
    • Comma operator
  • =~ (pattern match) operator : Pattern Match Operators
• # (hash mark)
• • for comments : Program Structure
  • format fieldholder : Formats
  • #! (shebang) line : The Perl Interpreter
• - (hyphen)
• • arithmetic negation operator : Unary Operators
  • grid geometry manager placeholder : The grid Geometry Manager
  • Perl debugger command : Reference: -
  • in [...] construct : Character Classes
  • -> (arrow) operator
  • • The Arrow Operator
    • Object Syntax
    • dereferencing with : Arrow dereferencing
  • -= (assignment) operator : Assignment Operators
  • -- (autodecrement) operator : Autoincrement and Autodecrement
  • -- option (perl) : Command-Line Options
• () (parentheses)
• • around function arguments : Function Reference
  • operator precedence and : Operators
  • regular expression metacharacter : Regular Expression Syntax
  • (?...) extended regular expression syntax : Extended Regular Expressions
• % (percent sign)
• • dereferencing with : Dereferencing
  • modulus operator : Arithmetic Operators
  • prototype symbol (hash) : Prototypes
  • signifying variable type : Hashes
  • %= (assignment) operator : Assignment Operators
• + (plus)
• • 1 : Autoincrement and Autodecrement
  • regular expression metacharacter : Regular Expression Syntax
  • unary operator : Unary Operators
  • += (assignment) operator : Assignment Operators
  • +? regular expression quantifier : Quantifiers
• ? (question mark)
• • regular expression metacharacter : Regular Expression Syntax
  • ?: (conditional) operator : Conditional operator
  • ?? regular expression quantifier : Quantifiers
  • ?...? pattern match operator : Pattern-Matching Operators
  • ?...? Perl debugger command : Reference: ?pattern?
• (semicolon)
• • ending Perl statements : Program Structure
  • in prototype declarations : Prototypes
• / (slash)
• • division operator : Arithmetic Operators
  • encoding in URLs : URL Encoding
  • /= (assignment) operator : Assignment Operators
  • /.../ pattern match operator : Regular Expressions
  • /.../ Perl debugger command : Reference: /pattern/
• ~ (tilde)
• • bitwise negation operator : Unary Operators
  • suppressing output whitespace : Formats
  • ~~ to print strings in fields : Formats
• _ (underscore)
• • filehandle : Global Special Filehandles
  • improving number legibility : Numbers
• | (vertical bar)
• • format fieldholders : Formats
  • OR bitwise operator : Bitwise Operators
  • Perl debugger command : Reference: |
  • regular expression metacharacter : Regular Expression Syntax
  • |= (assignment) operator : Assignment Operators
  • || (logical OR) operator : Logical Operators
  • || Perl debugger command : Reference: ||
  • ||= (assignment) operator : Assignment Operators