Function Reference


StringIsAlNum

Checks if a string contains only alphanumeric characters.

StringIsAlNum ( "string" )

Parameters

string The string to check

Return Value

Success: 1.
Failure: 0 if string contains non-alphanumeric characters.

Remarks

Keep in mind that any whitespace will cause StringIsAlNum() to return 0.

Related

StringIsAlpha, StringIsASCII, StringIsDigit, StringIsLower, StringIsSpace, StringIsUpper, StringIsXDigit, StringLower, StringUpper

Example

#include <MsgBoxConstants.au3>

Local $sString = "This is a sentence with whitespace." ; Check whether this string contains only alphanumeric characters.
If StringIsAlNum($sString) Then
    MsgBox($MB_SYSTEMMODAL, "", "The variable contains only alphanumeric characters.")
Else
    MsgBox($MB_SYSTEMMODAL, "", "The variable does not contain alphanumeric characters.")
EndIf