// where $A:$A is your desiredrange// if cell contains specific word=countif($A:$A,"*_ALT*")// cannot be done with an arrayformula// errors=countif($A:$A,ISERROR())// loading https://www.reddit.com/r/googlesheets/comments/aplwa6/importxml_loading/=COUNTIF(ARRAYFORMULA(ISERR(A1:A1000)),true)=TEXT(COUNTIF(ARRAYFORMULA(ISERR(A1:A1000)),false)/1000,"0%")// whitespace=COUNTA(SPLIT(A1," "))// count containing based on cell=countif(A:A,"*"&A2&"*")
Misc
// if blank, no formula=ARRAYFORMULA(IF(ISBLANK(A2:A),"",V2) // join header row & other row by each cell with delimiter (2rows)= ARRAYFORMULA($B$1:$K$1&" — "&B2:K2))// split by line break, transpose vertically, sort, flatten by =arrayformula(textjoin(char(10),1,sort(transpose(split(O2,char(10))))))
REGEX
// exclude first wordREGEXEXTRACT(trim(A2:A)," .+")//first nameREGEXEXTRACT(A2,"^([\w\-]+)")REGEXEXTRACT(A2,"\S+")// match text and filter rangehttps://stackoverflow.com/questions/42846220/regexmatch-with-regex-reference-to-cell
Conditional formatting
Searching for errors
// custom formula=iserror(B1)=true// weekends where A1 is the first date in the column.=or(WEEKDAY(A3)=1,WEEKDAY(A3)=7)
Comparing two columns
// list all matches from sheet 2 based on cell valueFILTER(sheet2!A:A, REGEXMATCH(sheets!A:A,A3))// compare 2 columns for MATCHES / DIFFERENCE=ArrayFormula(IF(A2:A=C2:C,"MATCH","DIFFER"))