Left function in c

Question

what is the alternative for Left function in c  i have this in   Left fac GetCachedValue  Auto Print Clinical Warnings   ToLower        1      y

User · Answer

use substring function   yourString Substring 0  length

User · Answer

Just write what you really wanted to know   fac GetCachedValue  Auto Print Clinical Warnings   ToLower   StartsWith  y     It s much simpler than anything with substring

User · Answer

It s the Substring method of String  with the first argument set to 0    myString Substring 0 1      The following was added by Almo  see Justin J Stark s comment   mdash Peter O    Warning  If the string s length is less than the number of characters you re taking  you ll get an ArgumentOutOfRangeException

User · Answer

var value   fac GetCachedValue  Auto Print Clinical Warnings      0   Start at the first character    1   The length of the string to grab if  value ToLower   SubString 0  1      y            Do your stuff

User · Answer

It sounds like you re asking about a function  string Left string s  int left    that will return the leftmost left characters of the string s  In that case you can just use String Substring  You can write this as an extension method   public static class StringExtensions       public static string Left this string value  int maxLength                if  string IsNullOrEmpty value   return value          maxLength   Math Abs maxLength            return   value Length  lt   maxLength                   value                   value Substring 0  maxLength                              and use it like so   string left   s Left number     For your specific example   string s   fac GetCachedValue  Auto Print Clinical Warnings   ToLower          string left   s Substring 0  1

[c#] Left function in c#

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