/R/R remove all string before : in r data frame

R remove all string before : in r data frame

> x <- 'aabb.ccdd'
> sub('.*', '', x)
[1] ""
> sub('bb.*', '', x)
[1] "aa"
> sub('.*bb', '', x)
[1] ".ccdd"
> sub('\\..*', '', x)
[1] "aabb"
> sub('.*\\.', '', x)
[1] "ccdd"

Source: stevencarlislewalker.wordpress.com

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