[GLLUG] Grep question

John Edwards john at cornerstonelinux.co.uk
Thu Oct 27 14:31:18 UTC 2022


On Thu, Oct 27, 2022 at 03:24:10PM +0100, Henrik Morsing via GLLUG wrote:
> On Thu, Oct 27, 2022 at 03:02:28PM +0100, John Levin via GLLUG wrote:
<snip>
>> Is there something about the order of characters in regex square
>> brackets? Does the stop have a special meaning when given first?
> 
> I think . means any character, does it help to escape it? (\.)
<snip>

Also the hyphen character - between two other characters means a
range. For example [0-9] means any characters between 0 and 9.

See: https://en.wikipedia.org/wiki/Regular_expression#Patterns

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