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Find all substrings in a string using C#
Use the substring() method in C# to find all substrings in a string.
Let’s say our string is −
pqr
Loop through the length of the string and use the Substring function from the beginning to the end of the string −
for (int start = 0; start <= str.Length - i; start++) { string substr = str.Substring(start, i); Console.WriteLine(substr); }
The following is the C# program to find all substrings in a string −
Example
using System; class Demo { static void Main() { string str = "pqr"; for (int i = 1; i < str.Length; i++) { for (int start = 0; start <= str.Length - i; start++) { string substr = str.Substring(start, i); Console.WriteLine(substr); } } } }
Output
p q r pq qr
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