C # required actions on string

1. Letter to uppercase: variable name.  ToUpper (); or string. ToUpper (variable name);

2. The letter goes lowercase: variable name.  ToLower (); or string. ToLower (variable name);

3. Comparison of characters: ①:string. Equals (variable name, variable name); Returns a Boolean value

   ②:string.compare (variable name, variable name, variable name, variable name .......). ）;

   ③: The simplest and most used: variable name = = variable name or variable name! = Variable Name

4. A string that is formatted. Format (the variable to be converted 1, the variable to be converted 2); 650) this.width=650; "Src=" http://s5.51cto.com/wyfs02/M00/85/23/ Wkiom1ea1-vy9ae1aabllac6mhe974.png-wh_500x0-wm_3-wmp_4-s_174865166.png "title=" QQ20160729121303.png "alt=" Wkiom1ea1-vy9ae1aabllac6mhe974.png-wh_50 "/>
5. Intercept of string: variable name. sbustring (from the beginning of the first few); returns a new string; starting from 0
6. The split variable name of the string. Split (character/character array) "delimiter"

Gca

String s=abcdeabcdeabcde;string[] Sarray=s.split (' C '); foreach (string I in Sarray) Console.WriteLine (i.ToString ()); Output the following result: Abdeabdeabde

7. Merging of strings:

String 1+ String 2

This article is from the "Frank" blog, so be sure to keep this source http://cyg2001.blog.51cto.com/11309618/1831656

C # required actions on string