C # Foundation (String)

Https://msdn.microsoft.com/zh-cn/library/84787k22 (v=vs.110). aspx

1, Compare
Basic methods

public static int Compare (string stra,string StrB)

Call
String.Compare (S1, S2)
Overload 1

public static int Compare (

String stra,string strb,bool ignoreCase  //Ignore case)
Overload 2

public static int Compare (string stra,string strb,bool ignorecase,cultureinfo culture  //An object that provides culture-specific comparison information)

2, CompareTo

Https://www.cnblogs.com/jhxk/articles/1733811.html

String.CompareTo syntax

public int CompareTo (
String StrB
CompareTo is seldom used, do not use CompareTo to compare two strings for equality, use Equals. 3. Equals

52446664

public bool Equals (string value);

public static bool Equals (string a,string b);

4. Formatting strings
public static string Format (string Format,object obj);
invocation Example
String. Format ("{0},{1}", STRA,STRB)

String. Format ("{0}:d", stra)//formatted date

5. Intercepting strings
public string substring (int startindex,int length);

6. Split string

Public string[] Split (param char[] separator);
7. Inserting and populating strings
public string Insert (int startindex,string value);
8. Padding string

Method 1:

Use String. PadRight ()

Method 2:

To customize a static method for a string to be padded:

public static string PadRight (string src, char C, Int32 totallength)
{
if (Totallength < src. Length)
return SRC;
return src + new String (c, totallength-src. Length);
}

Https://www.cnblogs.com/IamJiangXiaoKun/p/5737822.html

9. Delete a string

Str1. Remove (3); String str1 deleted from third bit

Str1.  Remove (3,10); String str1 from the third bit, delete the number of bits 10 bits

10. Copying strings

Copy ()

Strb=string. Copy (stra)//copying character stra to STRB

11. Replace string

String Strb=stra.replace ("One", "one"); Replace one in string stra with one

C # Foundation (String)