C# check if string is all numbers

C# how to check string is number

string s1 = "123";
string s2 = "abc";

bool isNumber = int.TryParse(s1, out int n); // returns true
isNumber = int.TryParse(s2, out int n); // returns false

C# check if string is all numbers

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

Similar codes

1 vote156 views1 answer
Debug raycasthit2d unity
C#
0 vote162 views1 answer
Hacking
C#
0 vote162 views1 answer
Flatten a list of lists in C#
C#
0 vote168 views1 answer
C# itext 7 PdfDocument from byte array
C#
2 votes167 views1 answer
How to cjeck if a string has a word c#
C#
0 vote169 views1 answer
Set custom default file in startup
C#
2 votes191 views2 answers
Get device connected to player input unity
C#Unity
0 vote233 views1 answer
Unity Type of conditional expression cannot be determined because there is no implicit conversion between 'Color' and '<null>'
C#Unity
6 votes159 views1 answer
C sharp check if key in dictionary
C#
0 vote115 views1 answer
This gameobject
C#