Have better than: IsInt(string value)

[skneife]

Does anyone have a better way for knowing if a string contains an
int ?

bool IsInt(string valeur)
{
bool result = false;
try {
int.Parse(valeur);
result = true;
}
catch {}
return result;
}

Sam

 

[Jon Skeet [C# MVP]]

Does anyone have a better way for knowing if a string contains an
int ?

If you're using .NET 2.0, use int.TryParse.

Jon

 

[Matt McGregor]

You can use "is"

if (variable is int)
{
return true;
}


or just inline the "variable is int" in your code conditionals without calling a function. This also works for most types.

However, I have not found a good way to detect int? (nullable int) as a type like above. It does not find it; always returns false. Still looking.

Does anyone have a better way for knowing if a string contains an
int ?

bool IsInt(string valeur)
{
bool result = false;
try {
int.Parse(valeur);
result = true;
}
catch {}
return result;
}

Sam

On Wednesday, November 14, 2007 4:11 AM Jon Skeet [C# MVP] wrote:
If you are using .NET 2.0, use int.TryParse.

Jon

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[Arne Vajhøj]

You can use "is"

if (variable is int)
{
return true;
}

Why answer on a 3 year old question with a WRONG answer?

The "is" test if something is already an int not whether
a string can be parsed to an int.

Arne