Validating Strings in Visual Basic

This section discusses how to validate strings in Visual Basic.

In This Section

• How to: Validate File Names and Paths in Visual Basic
  How to determine whether a string represents a file name or path.

• How to: Validate Strings That Represent Dates or Times (Visual Basic)
  How to determine whether a string represents a valid date.

• Using Regular Expressions with the MaskedTextBox Control in Visual Basic
  Demonstrates how to convert simple regular expressions to work with the MaskedTextBox control.

• Walkthrough: Validating That Passwords Are Complex (Visual Basic)
  How to determine whether a string has the characteristics of a strong password.

See Also

Other Resources

Strings in Visual Basic

MaskedTextBox Control (Windows Forms)