Hi i want to remove numeric contents inside a file

[CALYAN]

SIN
SIN
BEY
0120 -2
2020
SIN
SIN

I WANT TO REMOVE THE NUMERIC CONTENTS ADN EMPTY SPACES.
HOW TO DO IT?

 

[tikual]

egrep -v "( |[0-9])" yourfile

tikual

 

[ogniemi]

and how to remove for example > = < signs from a text file?
(using egrep not sed).

regards.m.

 

[PHV]

If you want the lines with only uppercase letters:

grep '^[A-Z][A-Z]*$'

Hope This Help
PH.