C # Summary of several methods for intercepting strings,

C # Summary of several methods for intercepting strings,

1. Use split to intercept a single Separator

For example

string st="GT123_1";string[] sArray=st.split("_");

You can get sArray [0] = "GT123", sArray [1] = "1 ";

2. Use multiple characters to separate strings

For example

string str = "GTAZB_JiangjBen_123";string[] sArray = str.Split(new char[2] { 'j', '_' });foreach(string e in sArray){Console.WriteLine(e);}

Get sArray [0] = "GTAZB", sArray [1] = "Jiang", sArray [2] = "Ben", sArray [3] = "123 ";

3. truncate a string based on a string or a string Group

For example

string str = "GTAZB_JiangjBen_123";string[] sArray = str.Split( new string[]{"Ji","jB"}, StringSplitOptions.RemoveEmptyEntries);foreach(string e in sArray){Console.WriteLine(e);}

Get sArray [0] = "GTAZB _", sArray [1] = "ang", sArray [2] = "en_123 ";

4. Extract the string whose length starts from the I character to j;

For example

string str = "GTAZB_JiangjBen_123";int start=3,length=8; Console.WriteLine(str.Substring(start-1, length));

Output AZB_Jian.

5. Extract the string whose right number is I.

string str = "GTAZB_JiangjBen_123";string tSt;int i=5;tSt = str.Substring(str.Length - i); Console.WriteLine(tSt);

Output n_123;

6. Replace the specified string in the string

string str = "GTAZB_JiangjBen_123";string tSt;tSt = str.Replace("123","321");Console.WriteLine(tSt);

Output GTAZB_JiangjBen_321

7. Delete the specified string Jiangj.

string str = "GTAZB_JiangjBen_123";string tSt;tSt = str.Replace("Jiangj","");Console.WriteLine(tSt);

Output GTAZB_Ben_123

8. Delete the string of the specified length (length) at the specified position (NTH ).

string str = "GTAZB_JiangjBen_123";int i=5,length=8;str=str.remove(i,length);console.writeline(str);

Output GTAZBen_123.

Reprinted from: http://www.jb51.net/article/35376.htm