如何判断一个字符串中包含几个字母,几个数字,几个标点?
其他
2018-10-08 18:59:50
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比较笨的方法,判断ASCII码:
C# code?
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string s = "abcd45612,asd" ; int characters = 0; int numbers = 0; int symbols = 0; foreach ( char c in s) { if ((c >= 33 && c <= 47) || (c >= 58 && c <= 64) || (c >= 91 && c <= 96) || (c >= 123 && c <= 126)) symbols++; if ((c >= 65 && c <= 90) || (c >= 97 && c <= 122)) characters++; if (c >= 48 && c <= 57) numbers++; } Console.WriteLine( "共有{0}个字母,{1}个数字,{2}个标点" , characters, numbers, symbols); |
转载自blog.csdn.net/u014644594/article/details/82775912