Question

我愿通过在《法典》认证图书馆中定期表达的方式,验证用户对职位标记索引的投入。

理想的情况是,监管机构有以下条件:

allow only letters and numbers
tags will be considered unique entities if separated by space (any number) or comma (any number)
there should be a limit to the number of tags (for ex in this case 6)

这里有一些部分解决办法:

但是,他们并没有完全解决我的问题。

任何建议?

Answer 1

如果大家想要证明是正当的,那么这应当做到:

^[a-zA-Z0-9]+(?:[ ,]+[a-zA-Z0-9]+){0,5}$

Same regex,但附有评论和白色空间:

^ #beginning of string
[a-zA-Z0-9]+ #any sequence of alphanumeric letters
(?: #start of non capturing group
    [ ,]+ #between 1 and int delimiting chars
    [a-zA-Z0-9]+ #again, any sequence of alphanumeric letters
) #end of non capturing group
{0,5} #allow between 0 and n-1 occurrences of preceding group
$ #end of string

允许对主要/交易空间/公用场所/公用场所进行投入。

^[ ,]*[a-zA-Z0-9]+(?:[ ,]+[a-zA-Z0-9]+){0,5}[ ,]*$

并且为了进一步允许零对口单位的投入,可以修改:

^[ ,]*(?:[a-zA-Z0-9]+(?:[ ,]+[a-zA-Z0-9]+){0,5})?[ ,]*$

Answer 2

《刑法》规定:

^w+[,s]w+[,s]w+[,s]w+[,s]w+[,s]w+$

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