How to remove first 10 characters from a string

Question

How to ignore the first 10 characters of a string   Input   str    hello world      Output   d

User · Answer

Starting from C  8  you simply can use Range Operator  It s the more efficient and better way to handle such cases   string AnString    Hello World    AnString   AnString 10

User · Answer

There is no need to specify the length into the Substring method  Therefore   string s   hello world  string p   s Substring 3     p will be        lo world     The only exception you need to cater for is ArgumentOutOfRangeException if startIndex is less than zero or greater than the length of this instance

User · Answer

Use substring method   string s    hello world   s s Substring 10  s Length-10

User · Answer

str    hello world    str Substring 10  str Length-10    you will need to perform the length checks else this would throw an error

User · Answer

You Can Remove Char using below Line      - First check That String has enough char to remove  like     string temp  Hello Stack overflow      if temp Length gt 10           string textIWant   temp Remove 0  10

User · Answer

You can use the method Substring method that takes a single parameter  which is the index to start from   In my code below i deal with the case were the length is less than your desired start index and when the length is zero   string s    hello world    s   s Substring Math Max 0  Math Min 10  s Length - 1

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The Substring has a parameter called startIndex  Set it according to the index you want to start at

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Substring has two Overloading methods   public string Substring int startIndex    The substring starts at a specified character position and continues to the end of the string   public string Substring int startIndex  int length    The substring starts at a specified character position and taking length no of character from the startIndex    So for this scenario  you may use the first method like this below   var str    hello world    str   str Substring 10     Here the output is   d    If you may apply defensive coding by checking its length

User · Answer

str   str Remove 0 10    Removes the first 10 characters  or  str   str Substring 10   Creates a substring starting at the 11th character to the end of the string   For your purposes they should work identically

User · Answer

For   var str    hello world      To get the resulting string without the first 10 characters and an empty string if the string is less or equal in length to 10 you can use   var result   str Length  lt   10        str Substring 10     or  var result   str Length  lt   10        str Remove 0  10     First variant being preferred since it needs only one method parameter

User · Answer

Substring is probably what you want  as others pointed out  But just to add another option to the mix     string result   string Join string Empty  str Skip 10      You dont even need to check the length on this     If its less than 10 chars  you get an empty string

User · Answer

Calling SubString   allocates a new string  For optimal performance  you should avoid that extra allocation  Starting with C  7 2 you can take advantage of the Span pattern   When targeting  NET Framework  include the System Memory NuGet package  For  NET Core projects this works out of the box   static void Main string   args        var str    hello world        var span   str AsSpan 10      No allocation          Outputs  d      foreach  var c in span                Console Write c              Console WriteLine

[c#] How to remove first 10 characters from a string?

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