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  1. txt<-"text text text <div><div><script>xxxx</script></div><script>yyyyy</script>text </div><script>zzzzzz</script>"
  2. gsub("<script\\b[^<]*>[^<]*(?:<(?!/script>)[^<]*)*</script>", "", txt, perl=T)
Success #stdin #stdout 0.47s 79168KB
stdin
Standard input is empty
stdout
[1] "text text text <div><div></div>text </div>"