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Hi, I have a data.frame as following: var1 var2 1 ab_c_(ok) 2 okf789(db)_c 3 jojfiod(90).gt 4 "ij"_(78)__op 5 (iojfodjfo)_ab what I want is to create a new variable called "var3". the value of var3 is the content in the Parentheses. so var3 would be: var3 ok db 90 78 iojfodjfo how to do this? thanks, karena -- View this message in context: http://r.789695.n4.nabble.com/question-about-string-handling-tp...