Displaying 1 result from an estimated 1 matches for "yyyyx3".
2009 Apr 01
3
list substring
hi
I ve a list of item x = ( "xxxxx1"
"xxxxx2"
"yyyyx3")
I need to extract a new vector y = ( "xxxx",
"xxxx",
"yyyy"
)
I mean, for each item I need to extract the first 4 digit
How is that possible?
Thank you...