Extract number from string in batch file

Question

From a batch file I want to extract the number 653456 from the following string:

C:\\Users\\testing\\AppData\\Local\\Test\\abc123\\643456\\VSALB         


        

Answer 1

This uses a helper batch file called repl.bat from - https://www.dropbox.com/s/qidqwztmetbvklt/repl.bat

@echo off 
set "string=C:\Users\testing\AppData\Local\Test\abc123\643456\VSALBT81_COM"
echo "%string%"|repl ".*\\([0-9]*)\\.*" "$1"