1、取字符串的前i个字符
(1)
- string str1=str.Substring(0,i);
(2)
- string str1=str.Remove(i,str.Length-i);
2、去掉字符串的前i个字符
- string str1=str.Remove(0,i);
- string str1=str.SubString(i);
3、从右边开始取i个字符:
- string str1=str.SubString(str.Length-i);
- string str1=str.Remove(0,str.Length-i);
4、从右边开始去掉i个字符:
- string str1=str.Substring(0,str.Length-i);
- string str1=str.Remove(str.Length-i,i);
5、如果字符串中有”abc”则替换成”ABC”
- str=str.Replace(“abc”,”ABC”);
6、c#截取字符串最后一个字符的问题!!!!!!!!!!!!!!!!!!!!!
- str1.Substring(str1.LastIndexOf(“,”)+1);
7、C# 截取字符串最后一个字符
- k = k.Substring(k.Length-1, 1);
8、实例
- // selectedValue内容:ContId,SGCompId & SGCompName $ ContCod
- string ContId = selectedValue.Substring(0,selectedValue.IndexOf(','));
- string SGCompId = selectedValue.Substring(selectedValue.IndexOf(',')+1, selectedValue.IndexOf('&')- selectedValue.IndexOf(',') - 1);
- string ContCode = selectedValue.Substring(selectedValue.IndexOf('$') + 1);
[csharp]
// selectedValue内容:ContId,SGCompId & SGCompName $ ContCode
string ContId = selectedValue.Substring(0,selectedValue.IndexOf(','));
string SGCompId = selectedValue.Substring(selectedValue.IndexOf(',')+1, selectedValue.IndexOf('&')- selectedValue.IndexOf(',') - 1);
string SGCompName= selectedValue.Substring(selectedValue.IndexOf('&') + 1, selectedValue.IndexOf('$') - selectedValue.IndexOf('&') - 1);
string ContCode = selectedValue.Substring(selectedValue.IndexOf('$') + 1);