C++/CLI Code Snippet - Validate Integer

C++/CLI code snippet to validate given integer. IsInteger function validate integer both positive and negative. Function return TRUE if valid integer found, if not function will return FALSE.

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C++/CLI Code Snippet - Validate Integer

This C++/CLI code snippet validate given integer values. This function uses regular expression to match string pattern to validate integer values.

bool IsInteger(System::String ^strNumber)
{
    System::Text::RegularExpressions::Regex ^_RegexNotIntPattern = gcnew System::Text::RegularExpressions::Regex("[^0-9-]");
    System::Text::RegularExpressions::Regex ^_RegexIntPattern = gcnew System::Text::RegularExpressions::Regex("^-[0-9]+$|^[0-9]+$");
    return !_RegexNotIntPattern->IsMatch(strNumber) && _RegexIntPattern->IsMatch(strNumber);
}

C++/CLI Keywords Used:

Regex
IsMatch

Code Snippet Information:

Applies To: .Net, C++/CLI, Integer Validation, Regular Expression
Programming Language : C++/CLI

External Resources:

C++/CLI Code Snippet - Validate Integer

C++/CLI Code Snippet - Validate Integer

C++/CLI Code Snippet - Validate Integer

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C++/CLI Code Snippet - Validate Integer

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