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  1. string <- '<a href="/Archiv-Suche/!344002&amp;s=&amp;SuchRahmen=Print/" ratiourl-ressource="344002"'
  2. pattern = "!(\\d+)&amp;"
  3. res <- unlist(regmatches(string,regexec(pattern,string)))
  4. res[2]
Success #stdin #stdout 0.23s 60752KB
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[1] "344002"
https://ideone.com/AjKtYk
language:
R (R 3.5.2)
created:
7 years ago
visibility:
secret

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