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

0 vote127 views1 answer
Internal working of ioc container c#
C#
0 vote136 views1 answer
If else statement c#
C#
1 vote132 views2 answers
C# check if element is last in list
C#
2 votes91 views1 answer
Sconvert string to title case + C3
C#
1 vote137 views1 answer
C# build string out of list of strings
C#
0 vote134 views2 answers
Change column name in datatable C#
C#
0 vote168 views1 answer
Exceldatareader example c#
C#
0 vote133 views1 answer
Xamarin c# switch on hotspot Programmatically
C#
0 vote164 views1 answer
Unity how to check index of enum
C#Unity
0 vote133 views1 answer
Unity stopwatch timer
C#