index__Symbols and Numerics

Symbols and Numerics

& (ampersand), XML, 313, 402

.= (appendination operator), 75

* (asterisk)

SELECT statement, 39

shell wildcard, 120

%book hash, 69

_callback, 306–307

$caller variable, 82

^ (caret), regular expressions, 57, 202

/cgi-bin/ directory, 106

{ }, curly brackets, 34

\d (digit character class), regular expressions, 203, 436

$dbh variable, 19

$_, default variable, 156

$ (dollar sign), regular expression, 203

... (ellipsis), 192

$ENV variable, 186, 189, 197

$errstr, 21

= (equal sign), 42

.exe file extension, 487

$field variable, 44

%fields hash, 80

<form> tag, 106, 230

$hdl_search handle, 81

@INC array

index.cgi, 185

view_item.cgi, 196

$index variable, 49

$MainWin, 87

1NF. See First Normal Form

2NF. See Second Normal Form

3NF. See Third Normal Form

\n (newline), 18

||= (or-equals) assignment operator, 352

% (percent), SQL wildcard, 120

. (period)

concatenation operator, 70

current directory, 184

$person_add_b button declaration, graphical phonebook application, 361

+ (plus sign), regular expressions, 57, 203

? (question mark), regular expression, 203

\S (nonspace characters), regular expressions, 351

‘ (single quote), 203

[ ] (square brackets), character class, 202

-T switch (taint mode), Perl script, 112

<textarea> tag, 108

%%, variable substitution, 255

-w switch (warnings), Perl script, 17, 19

\W (nonword characters), regular expressions, 57

\w (word characters), regular expression, 202