List<string> words = new List<string> { "abc", "acb", "cba", "cb a", "abf", "sea", "aba", "so ap", "a b c" };
string allowedChars = "abc";
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我想检查列表字符串中的无效字符.我尝试使用IndexOfAny()但IndexOfAny()不检查空格.如何检查包含无效字符的字符串?
我想要的结果:"cb a","abf","sea","so ap","ab c"