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  1. text_1 <- c('Olá, meu nome é Stack OverFlow. Sou um site de programação para
  2.         entusiastas e profissionais')
  3.  
  4. library(stringr)
  5.  
  6. str_extract_all(text_1, 
  7.                 regex(pattern = 'f.*', 
  8.                 ignore_case = TRUE, 
  9.                 multiline = FALSE))
Success #stdin #stdout 0.21s 190400KB
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[[1]]
[1] "Flow. Sou um site de programação para"
[2] "fissionais"
https://ideone.com/DEflcA
language:
R (R 3.5.2)
created:
5 years ago
visibility:
public

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