function - R Extract and get the corresponding Numeric values of a string -

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need looking function extract , values of requested string separated "-"

data:

x <- c("aa-aa/bb-11/cc-22/dd-1", "aa-aa/bb-33/cc-331")

desired output:

bb should vector of (11, 33)  cc should vector of (22, 331)

you can use stringr task:

library(stringr) x <- c("aa-aa/bb-11/cc-22/dd-1", "aa-aa/bb-33/cc-331") bb <- as.numeric(str_match(x, "/bb-([0-9]+)")[, 2]) cc <- as.numeric(str_match(x, "/cc-([0-9]+)")[, 2])

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