SEARCH(text,within[,start_num])
SEARCH . @text - . @within - , . @start_num - @within. @start_num , 1. .
@text (*) (?) . , ( ) . , (~).
@text , SEARCH #VALUE!. @start_num 1 @within, SEARCH #VALUE!.
Excel.
SEARCH("c","Cancel") 1.
SEARCH("c","Cancel",2) 4.
FIND.