<h3 style="color:#aaa; font-style:italic"><span style="font-family:courier new,courier,monospace">Input</span></h3>
<div style="background:#eee;border:1px solid #ccc;padding:5px 10px;"><span style="font-size:11px"><span style="font-family:courier new,courier,monospace">x <- "AAA@BBB"</span></span></div>
<h3 style="color:#aaa; font-style:italic"><span style="font-family:courier new,courier,monospace">Code</span></h3>
<div style="background:#eee;border:1px solid #ccc;padding:5px 10px;"><span style="font-size:11px"><span style="font-family:courier new,courier,monospace">split_pick <- function(x , Div_str, Pick_num){<br />
return(as.character(as.data.table(strsplit(x, Div_str))[Pick_num])) <br />
}</span></span></div>
<div style="background:#eee;border:1px solid #ccc;padding:5px 10px;"><span style="font-size:11px"><span style="font-family:courier new,courier,monospace">split_pick(x, "@", 2)</span></span></div>
<h3 style="color:#aaa; font-style:italic"><span style="font-family:courier new,courier,monospace">Output</span></h3>
<div style="background:#eee;border:1px solid #ccc;padding:5px 10px;"><span style="font-size:11px"><span style="font-family:courier new,courier,monospace">"BBB"</span></span></div>
<p> </p>