Replace lines that have no digits with some constant word [closed]

General Tech Bugs & Fixes 2 years ago

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manpreet Tuteehub forum best answer Best Answer 2 years ago

 

I have a file with about 10000 lines like the examples shown below.  I need to replace the lines that do not contain any digits with some word; e.g., input.  How I can do this please?

Example:

The list I have is like this:

1234561
Winstead
Adesuwa1985
Trinity
Angela41
Anita
Tracey
sdojsodsd

I want results like this, where the lines that do not have any number are replaced with the word “input”:

1234561
input
Adesuwa1985
input
Angela41
input
input
input

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