google-sheetsindexing
Index return duplicates
I am making a timetable system and I am currently on student timetables.
I want to see when a student has a clash at the same period. Here is the example sheet
I am aware of the risks that come with sharing google sheets online.
Currently i have this code to find classes from an overview sheet =IFERROR(INDEX(OVERVIEW!A$3:A,MATCH(TRUE, REGEXMATCH(OVERVIEW!A$3:A, TEXTJOIN("|",1,$E$3:$E)),0),1),"FREE")
However, the above only returns one topmost outcome, and does now allow me to see if there are clashes.
Please advice <3
Solution
Slightly adjusting the formula you shared:
Class:
=join("; ",filter(regexextract(OVERVIEW!A3:A,"(.*?) "),regexmatch(OVERVIEW!A$3:A,textjoin("|",1,E3:E))))
Subject:
=join("; ",filter(regexextract(OVERVIEW!A3:A,"\((.*) \("),regexmatch(OVERVIEW!A$3:A,textjoin("|",1,E3:E))))
Teacher:
=join("; ",filter(regexextract(OVERVIEW!A3:A,"\(([^\(]*)$"),regexmatch(OVERVIEW!A$3:A,textjoin("|",1,E3:E))))
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