Actually the reason he had to use the (?:$x:){5} approach is because of the colon character that's supposed to delimit each grouping. Your solution leaves that out entirely. Yours will expand to: 
/^(?:[\da-f]{2}){5}(?:[\da-f]{2})$/

[download]
...note the missing : colons.


Dave

In reply to Re: Re: Re: Long regexp un multiple lines by davido
in thread Long regexp un multiple lines by Lorand

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