Ever had a project where you needed to rename multiple files with similar naming conventions? I had a personal project where I was converting multiple images into large PDF files. The list looked similar to this with the numbers 1 through 9 as single digits: ab-01-1.jpgab-01-2.jpgab-01-10.jpgab-01-11.jpgab-02-1.jpgab-02-2-jpg If I selected all the files in Windows Vista…