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  1. dataframe <- data.frame(ID = c('1234567_GSM00298873', '1238416_GSM90473673', '98377829'))
  2. dataframe$ID <- gsub("[0-9]+_", "", dataframe$ID)
  3. dataframe
Success #stdin #stdout 0.31s 22832KB
stdin
Standard input is empty
stdout
           ID
1 GSM00298873
2 GSM90473673
3    98377829