removing a random pattern

how would i go about removing a pattern that starts like this E01 or e1234 ?
the number vary in length ?

Shaun

The following Replace method will remove a single "E" followed by a string of one or more digits, wherever it occurs in the filename...

Replace: E\d+
with: nothing
NOT Case sensitive
Use regular expressions

Reply to #2:

thank you, i don't know the wording to ask the right questions