Delete multiple lines up to a line that contains a specific character?

Question

Regular Expressions

Good day.
There is a file with n lines. One of the lines in this file is a delimiter. It is necessary to delete all lines up to this separator, or up to line number n (even better), how to do this?

Answer 1

In Notpad++? Then
1. Crtl+F, desired delimiter (normal search).
2. If found - Crtl+Shift+Home. If not found - Ctrl+A
3. Del