Re: I need grep . help

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On Sun, Sep 8, 2024 at 9:10 PM ToddAndMargo via users
<users@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
> I am literally looking for "9.4.5" with grep.  Grep thinks
> I want the dots to be wild cards.  What am I doing wrong?
>
> $ curl -L "https://sourceforge.net/projects/crystaldiskinfo/files/"; -o -
> | grep -i '9.4.5'

Option 1 - '-i' makes the grep case-insensitive which doesn't matter
if you are only grep'ing for numbers.  If so, you can use "grep -F
'9.4.5'" to grep for a "fixed string"; i.e. not a regular expression.

Option 2 - escape the dots - grep -i '9\.4\.5'

Option 3 - put the dots in square brackets - grep '9[.]4[.]5'.
Alternatively, if you want to grep for *any* run of digits and dots -
grep '[0-9.][0-9.]*'  (there may be a more elegant way to do this with
extended regular expressions)
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