regular expression + grep

[Piyu_86]

Hello all

I am trying to find out line which contains filex , where x in an intezer
for example

vi test
file1 abc ghdy file3
dhyd file4 file5
hdhd file
jfujf jfj

in order to find the lines containg filex i am using grep command

grep file[1234567890] text

but the command is not working? what is wrong with this command ??

[Irithori]

try this

egrep 'file[0-9]{1,1}' test

[Piyu_86]

yes thank you

[Piyu_86]

this is even working with
grep 'file[1-9]' *

i missed the quotes .