RSS Feed
Download our iPhone app
Browse DevX
Sign up for e-mail newsletters from DevX

By submitting your information, you agree that devx.com may send you DevX offers via email, phone and text message, as well as email offers about other products and services that DevX believes may be of interest to you. DevX will process your information in accordance with the Quinstreet Privacy Policy.

Tip of the Day
Language: VB5,VB6
Expertise: Intermediate
Sep 1, 2001



Building the Right Environment to Support AI, Machine Learning and Deep Learning

IsStringLower - Determine whether a string contains only lowercase chars

Private Declare Function IsCharLower Lib "user32" Alias "IsCharLowerA" (ByVal _
    cChar As Byte) As Boolean

' Check is the specified string is composed only by lower case characters (no 
' digits and no special chars)
' Example:
'    MsgBox "Is lower case? " & IsStringLower("hello")
'    MsgBox "Is lower case? " & IsStringLower("heLlo")
Public Function IsStringLower(ByVal sText As String) As Boolean
    Dim i As Integer
    IsStringLower = True
    ' for each char in the string
    For i = 1 To Len(sText)
        ' if not lower case, set False as return value and exit the for loop
        If IsCharLower(Asc(Mid$(sText, i, 1))) = False Then
            IsStringLower = False
            Exit For
        End If
    Next i

End Function
Marco Bellinaso
Comment and Contribute






(Maximum characters: 1200). You have 1200 characters left.



Thanks for your registration, follow us on our social networks to keep up-to-date