检查炭isletter [英] check if char isletter

问题描述

我要检查，如果字符串只包含正确的字母。 我用 Char.IsLetter 这一点。 我的问题是，当有喜欢的字符é或者他们也说是正确的字母，这不应该是。

i want to check if a string only contains correct letters. I used Char.IsLetter for this. My problem is, when there are chars like é or á they are also said to be correct letters, which shouldn't be.

有没有可能来检查一个字符为正确的字母AZ或az没有特殊的信件像？

is there a possibility to check a char as a correct letter A-Z or a-z without special-letters like á?

推荐答案

您可以使用普通的EX pression \ W 或 [一-za-Z] 它

You can use regular expression \w or [a-zA-Z] for it

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