Notepad++ Remove Lines without Password

Question

xiangpinglee@hotmail.com:1230asdf

Saharnaya_N_@mail.ru:

duga@rambler.ru:7354205duga

iregina_1983@mail.ru:

remove

iregina_1983@mail.ru:

Saharnaya_N_@mail.ru:

how to remove lines without password by regex way?

Answer 1

Do a regular expression find/replace like this:

• Open Replace Dialog
• Find What: ^.*:(\R|\z)
• Replace With: `` the empty string
• Check regular expression
• Click Replace or Replace All

The Regular Expression matches

• everything (.*)
• from start of line (^)
• to either line end or buffer end (\R|\z)
• a match is a line that ends with :
• such a matching line is completely (including the lineend) replaced with empty string

Answer 2

You could use the method described in this answer with this regex :

:$

Which means "a colon at the end of the line".

This will remove every line without password.