什么＆＃39; RegularExpression属性中的符号均值？

Question

我有这个正则表达式：

[RegularExpression(@"^[a-zA-Z''-'\s]{1,40}$")]

我想知道'符号是什么意思？这个正则表达式的含义是什么？

Answer 1

'

意味着它用作上述代码中两个单词之间的分隔。

或者你可以说分离代码。

和＆＃39; \用于将文本设置为字符串。

[RegularExpression(@"^[a-zA-Z''-'\s]{1,40}$")]

以上代码含义：

[a-zA-Z''-'\s]{1,40} match a single character present in the list below

Quantifier: {1,40} Between 1 and 40 times, as many times as possible, giving back as needed [greedy]
a-z a single character in the range between a and z (case sensitive)
A-Z a single character in the range between A and Z (case sensitive)
' the literal character '
'-' a single character in the range between ' and '
\s match any white space character [\r\n\t\f ]