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

aaaaa1bbbbb
ccccc2ddddd
eeeee3fffff

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

bbbbb
ddddd
fffff

Solution

In Find and Replace dialog box enter these values:

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

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