php - Becs 字符集正则表达式

Question

我正在做一个项目，我必须验证 BECS 字符。批量电子清算系统 (BECS) 只允许使用以下字符。

BECS 字符集

Type                        Description
Numeric                     0 to 9
Alphabetic                  Uppercase A to Z and Lowercase a to z
+                           Plus sign
-                           Minus sign or hyphen
@                           At sign
SP                          Blank space
$                           Dollar sign
!                           Exclamation mark
%                           Percentage sign
&                           Ampersand
(                           Left Parenthesis
)                           Right Parenthesis
*                           Asterik
.                           Period or decimal point
/                           Solidus (slash)
#                           Number Sign (Pound or Hash)
=                           Equal Sign
:                           Colon
;                           Semicolon
?                           Question mark
,                           Comma
’                           Apostrophe
[                           Left square bracket
]                           Right square bracket
_                           Low line (underscore)
^                           Circumflex

我尝试了以下但不起作用:
preg_match("/^[A-Za-z0-9^_[]',?;:=#/.*()&%!$ @+-]+$/", $string);

Answer 1

而不是担心手动转义使用 preg_quote

代码将是preg_match("/^[A-Za-z0-9".preg_quote("^_[]',?;:=#/.*()&%!$ @+-", "/")."]+$/", $string);