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function that extracts a common continuous sequence in R

Tell me please, is there the function that extracts a common continuous sequence of characters from the symbol vector. Ie, for example, from the row vector at the input: c ("mom soap frame", "sweet mom", "dad, mom, me", "`mom`ent") get the output vector c ("mom")

Solution 
  • v <- c ("mom soap frame", "sweet mom", "dad, mom, me", "moment")

library(PTXQC)
LCSn(v, min_LCS_length = 0)

#[1] "mom"