* * HELP & MANUAL PREMIUM PACK 4 DEMO VERSION * *
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Description
Return the UTF-8 code (0 to 65536) of the specified character in a string.
Syntax
y = ASC(StringExpression [, position])
Returns
Number
Parameters
Name |
Type |
Optional |
Meaning |
StringExpression |
String |
No |
A string expression from which to extract the code. Can be an ASCII string or an UTF-8 string. |
Position |
Number |
Yes |
Position in chars inside string_expression from which to extract the code. If position is not specified, the first position is taken. If position is negative ASC counts from the end of the string. If position is zero or greater than the length of the string -1 is returned |
Remarks
Restrictions
See also
Examples
'---ASC can be used to avoid some MID$ operations. For example:
char = ASC(Mid$(MyString, Position, 1))
'---is equivalent to ...
char = ASC(MyString, Position)
Thanks to Abraxas for the following script example
' Usage of the ASC Instruction example
' Return Values of a string. Will show a box with String to check
'
' HELLO
'
'Current Char H Value 72
'Current Char E Value 69
'Current Char L Value 76
'Current Char L Value 76
'Current Char O Value 79
Dim MyString As String VALUE = "HELLO"
Dim sMsg As String
Dim StrPos As Long
Dim CharVal As Byte
sMsg = "String to check " & $CRLF & $CRLF & MyString & $CRLF & $CRLF
For StrPos = 1 To Len(MyString) '---Loop for the length of the string
CharVal = ASC (MyString,StrPos)
sMsg += " Current Char " & Mid$(MyString,StrPos,1) & " Value " & CharVal & $CRLF
Next
MSGBOX 0, sMsg
