Match Text(any text val) in column, show me an array of row numbers?

[ljubo_gr]

Hello dear excel enthusiasts!
I have Sheet1(A3:C13), need formula to find any text values or even single letter in column A3:A13, to show me one answer or more, exp. {" ","4"," ","6"...}, then I need to format those rows. If answer is rows4&6, please dear excel fill with red colour rows 4&6 through A4:C4 and A6:C6. Column A is usually empty, sometimes it will contain some letter(text).
Ps. Suproduct will be nice to have also, to sum values of those red rows(indexB3:C13). Thank You So Much!

MATCH("?*",A3:C13,0)+ROW(A3:C13)-1
IF(("?*"=A3:A13)*1,ROW(A3:A13),"")
{=IF(MATCH(COUNTIFS(a3:a13,"?*"),a3:a13,0),ROWS(a3:a13),"")}

=SUMPRODUCT(INDEX(b3:c13,IF((MATCH("?*",a3:a13,0)=ROW(a3:a13)),ROW(a3:a13),""),))

 

[ljubo_gr]

This is for sum values from rows where is in A col any value:

=SUMPRODUCT(--((ISNUMBER(SEARCH("?*";$A$3:$A$13)))*($B$3:$C$13)))

DOn't know how to search for Text, and don't know how to set formatting

 

[ljubo_gr]

Formula in Conditinal formatting: =AND($A3<>"";$A3<>" ";$A3<>{0;1;2;3;4;5;6;7;8;9}) applies to range: $B$3:$C$13

Still don't know how to make Search only for "ABCDEFGHIJ..." in that Sumproduct formula