search for: node0014

...n the grep command trying to use grep in each string it only returns 1 ... Afterwards I tried regexpr command it returns the correct position of the substring that I am looking for but it only reports the first one. does regexpr only returns the first one ? Partial example: d5 = "load0004 node0014 0.05 0.014583333" "load0005 node0017 0.05 0.014583333" "load0006 node0019 0.05 0.014583333" >grep("\t",d5[1]) [1] 1 >regexpr("\t",d5[1] [1] 9 attr(,"match.length") [1] 1 any idea how to...