How can I use regular expressions in Textpad to remove anything, line by line, before specified characters?

Question

aaaaa1bbbbb
ccccc2ddddd
eeeee3fffff

I want to remove all characters before numbers, after replacing file, it should look like

bbbbb
ddddd
fffff

Answer 1

In Find and Replace dialog box enter these values:

1. Find what : ^[a-z]+[0-9]
2. Replace with : Do not enter anything
3. Make sure to select Regular Expression checkbox.
4. Hit Replace All