global path_log := A_MyDocuments "\GTA San Andreas User Files\SAMP\chatlog.txt"  ; путь к chatlog

>!щ::
log := {str:"",find:0,num:0}    ,    log.str := []

Loop, read, %path_log%
    log.str.Insert(A_LoopReadLine)    ,log.num := A_Index

loop 20
    if RegExMatch(     log.str[log.num + 1 - A_Index]
        ,"\[(.*)\]  SMS:(.*). Отправитель: (.*)_(.*)\[(.*)\]"
        , end_str) and (log.find:=log.num + 1 - A_Index)
            break

sendinput {f6}/t %end_str5%{space}
return

"\[(.*)\]  SMS:(.*). Отправитель: (.*)_(.*)\[(.*)\]"