; Read the contents of the body of a webpage and search for a string. If the string is found, replace it 
; with a new string and write it back to the webpage.

#include <IE.au3>

$oIE = _IECreate()
_IENavigate($oIE, "http://www.autoitscript.com/")

$body = _IEBodyReadHTML($oIE)

If StringInStr($body, "automation") Then
    MsgBox(0, "Success", "The string was found")
    $newbody = StringReplace($body, "automation", "AUTOMATION - Yeah Тест Юникод!")
    _IEBodyWriteHTML($oIE, $newbody)
Else
    MsgBox(0, "Fail", "The string was NOT found")
EndIf

Exit