C# Letters Only

C# check if string is only letters and numbers

if (textVar.All(c => Char.IsLetterOrDigit(c))) {
    // String contains only letters & numbers
}

C# Letters Only

if (char.IsControl(e.KeyChar) || char.IsLetter(e.KeyChar))
            {
                return;
            }
            e.Handled = true;

Source: stackoverflow.com

C# only letters

bool result = input.All(Char.IsLetter);

bool result = input.All(Char.IsLetterOrDigit);

bool result = input.All(c=>Char.IsLetterOrDigit(c) || c=='_');

// Instantiate random number generator.  
private readonly Random _random = new Random();  
  
// Generates a random number within a range.      
public int RandomNumber(int min, int max)  
{  
  return _random.Next(min, max);  
}


if (str.All(char.IsDigit)) {
  // String only contains numbers
}

Source: stackoverflow.com

Similar codes

0 vote309 views1 answer
Console.readline not working
C#
9 votes332 views3 answers
Ef update database
C#
0 vote331 views1 answer
Setxkbmap
C#
1 vote393 views1 answer
Unity get direction from one point to another
C#Unity
0 vote334 views1 answer
How to add a delay in csharp
C#
0 vote337 views1 answer
Query into complex object using dapper
C#
23 votes307 views2 answers
Unity no serializefield
C#
0 vote379 views1 answer
BOTON PARA CAMBIAR DE VIEW ASP.NET
C#
57 votes390 views10 answers
Bootstrap 4
C#
13 votes338 views6 answers
Function c#
C#