Re^2: How to remove all repeating characters in a string in place

Thanks a lot for the help.
Yes this works , I was trying to do s/(\w)$1+//;
I forgot that $1 is not defined inside a pattern as it is being matched and hence I should be using \1 instead

Comment on Re^2: How to remove all repeating characters in a string in place

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Re^3: How to remove all repeating characters in a string in place by AnomalousMonk (Archbishop) on Jan 31, 2016 at 19:19 UTC
... I was trying to do s/(\w)$1+//; ... Had you given this information in addition to the info you gave in the OP, it would have been most helpful in addressing your problem. Please always try to give some indication of what you have tried, how it failed, what you expected, etc. Please see How do I post a question effectively?. Give a man a fish: `<%-{-{-{-<`	[reply] [d/l]