How to remove all text from right after certain characters in excel

Question

Sorry I\'m a noob in excel and need help with this. Say I have the following text in my excel.

1. D:/folder A/ folder B.1/text_01.txt
2. D:/folder A/Folder C/

Answer 1

Use LEFT() with FIND and SUBSTITUTE to find the last /

=LEFT(A1,FIND("}}}",SUBSTITUTE(A1,"/","}}}",LEN(A1)-LEN(SUBSTITUTE(A1,"/","")))-1)