Simplifying select case statement

Ask Question Forum:

Model Library:2025-02-08 Updated:A.I. model is online for auto reply question page

Show

ASK RECENT

Simplifying select case statement

Asked by NevSoFly

at 2024-11-30 21:45:21

Point:500 Replies:2 POST_ID:828857USER_ID:10

Topic:

Microsoft Visual Basic.Net;;

In the below select case statement I am checking to see if the character in a string is alphabetic.

Select Case char     Case "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"          Do somethingEnd Select

1:2:3:4:

Select All Code

What I would like to know is if there is a simpler way of doing this, like:
case "a" to "z"
or
if char="a" to "z"

Accepted Solution

Expert: Robert Schutt replied at 2024-12-01 02:20:24

250 points EXCELLENT

Actually, your own first suggestion is perfectly valid:

Select Case [char]     Case "a" To "z"          'Do somethingEnd Select

1:2:3:4:

Select All Code

However, there is a more generic way to do this and it includes letters with accents and the likes so not just "a" to "z" but also "é" for example:

     Dim [char] As Char = TextBox1.Text.Substring(0, 1).ToLower()     If Char.IsLetter([char]) Then          ' ...     End If

1:2:3:4:

Select All Code

Note that I used [char] to make it a valid variable name from your code example, and "Char.IsLetter" refers to a static method in the Char class.

Assisted Solution

Expert: duncanb7 replied at 2024-11-30 23:59:02

250 points EXCELLENT

Just example and partial code only, you can change e.KeyChar for your char or method variable

Hope understand your question completely. If not , please pt it out

Duncan

Dim KeyAscii As Integer        KeyAscii = Asc(e.KeyChar)        Select Case KeyAsciicase 65 to 90    ''for capital ALPHABET A-Zcase 97  to 122    'lower case a-zcase else

1:2:3:4:5:6:

Select All Code

新聞財經娛樂♬資訊 News Economy

About Us|Service|Pricing

Stock Index全球即時指數期貨:

&nbps;

News即時新聞:↓

News即時新聞:↑

On Balance Volume (OBV):

Youtube Video♬ Sharing by members:↓

Youtube Video♬ Sharing by members:↑

Ask Question Forum:

Simplifying select case statement

Your Information

Members/Profolio