Answers for "c# if string contains only numbers"

if string contains number c#

"abc3def".Any(c => char.IsDigit(c));

// Or to make it shorter:
"abc3def".Any(char.IsDigit);

Posted by: Guest on August-23-2020

c# check if string is only letters and numbers

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

Posted by: Guest on May-19-2020

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