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Mar 19th, 2018
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  1. library(gsubfn)
  2. s <- c('{"blur": "10010010010010"', 'abc') # test input
  3.  
  4. strapply(s, '{"blur": "(\d+)"', empty = NA, simplify = TRUE)
  5. ## [1] "10010010010010" NA
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