$ perl -E '$string = "0.740234|0.758789|0.748047|0.749023|0.748047|0.754883|0.743164|0.748047|0.780273|0.739258|0.765625|0.761719|0.760742|||||0.75293|0.742188";

say $_ for (split /\|/, $string);
'
0.740234
0.758789
0.748047
0.749023
0.748047
0.754883
0.743164
0.748047
0.780273
0.739258
0.765625
0.761719
0.760742




0.75293
0.742188