RegEx require

luckypower has asked for the wisdom of the Perl Monks concerning the following question:

Hellow monks

i want a regex which will match unrepeated strings of digits.

example:

o/p:

1234
51294
135792
[download]

plz suggest me...

Thanks,
Lucky

Comment on RegEx require Select or Download Code

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Re: RegEx require by ikegami (Patriarch) on Nov 19, 2008 at 11:15 UTC
`!/(.).*\1/` [download]	[reply] [d/l]
Re^2: RegEx require by ikegami (Patriarch) on Nov 19, 2008 at 11:22 UTC
It's probably faster just counting the digits `my %seen; grep $seen{$_}++, /./g` [download]	[reply] [d/l]
Re: RegEx require by ccn (Vicar) on Nov 19, 2008 at 11:18 UTC
`perl -lne '/(.).*\1/ or print'` [download]	[reply] [d/l]
Re: RegEx require by Lawliet (Curate) on Nov 19, 2008 at 19:56 UTC
.oO( No one linked the OP to How do I post a question effectively? yet? How unusual~ ) I'm so adjective, I verb nouns! chomp; # nom nom nom	[reply]