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ASP中如何判断一个字符串中某个指定的字符出现的次数？

2008-03-18 11:49:48| 分类：默认分类 | 标签： |举报 |字号大中小订阅

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ASP中如何判断一个字符串中某个指定的字符出现的次数？

比如：如何在“asldkfjasdfsdf”中判断出“as”出现的次数？

用split函数

把as作为分隔符，

看输出是几维数组

N维，则as出现（N－1）次

ubound(split("asldkfjasdfsdf","as"))-1

可以用如下的方法:
//b表示出现的次数.
string a="asldkfjasdfsdf";
int b;
b=a.split("as").lenth-1;

以下的示例
=======================================
dim str1,str2
str1="|"
str2="杨俊|www|999|5545345|城东区|fslfks|flaskdf|666|eee|"

dim i,Counter
Counter=0
If InStr(Str2,Str1) then
    for i=1 to Len(Str2)
        if Mid(Str2,i,Len(Str1))=Str1 then
            Counter=Counter+1
        end if
    Next
end if
SearchChar=Counter 'SearchChar 表示Str1在Str2中出现的次数

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              blogAbstract:'<BR\><BR\>ASP中如何判断一个字符串中某个指定的字符出现的次数？ <BR\><BR\>比如：如何在“asldkfjasdfsdf”中判断出“as”出现的次数？ <BR\><BR\>用split函数 <BR\><BR\>把as作为分隔符， <BR\><BR\>看输出是几维数组 <BR\><BR\>N维，则as出现（N－1）次<BR\><BR\>ubound(split(\"asldkfjasdfsdf\",\"as\"))-1 <BR\><BR\>可以用如下的方法: <BR\>//b表示出现的次数. <BR\>string a=\"asldkfjasdfsdf\"; <BR\>int b; <BR\>b=a.split(\"as\").lenth-1; <BR\><BR\>以下的示例<BR\>=======================================<BR\>dim str1,str2<BR\>str1=\"|\"<BR\>str2=\"杨俊|www|999|5545345|城东区|fslfks|flaskdf|666|eee|\"',
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