Function Reference

StringIsAlpha

Checks if a string contains only alphabetic characters.

StringIsAlpha ( "string" )

Parameters

Return Value

Remarks

As in other StringIs...() the check is stop if a Chr(0) is encountered inside the string.
Internally the C function is used to speed up the processing.

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

Related

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

Example

#include <MsgBoxConstants.au3>
Local $sString= "This is a sentence with whitespace."; Check whether this string contains only alphabetic characters.
If StringIsAlpha ($sString)Then
MsgBox ($MB_SYSTEMMODAL,"","The variable contains only alphabetic characters.")
Else
MsgBox ($MB_SYSTEMMODAL,"","The variable does not contain alphabetic characters.")
EndIf