我有一个向量列表,长这样:
$`56`
[1] "OTU2998" "UniRef90_A0A1Z9FS94" "UniRef90_A0A257ESC3"
[4] "UniRef90_A0A293NAV3" "UniRef90_A0A2E1NMU8" "UniRef90_A0A2E1NPX9"
[7] "UniRef90_A0A2E1NQL1" "UniRef90_A0A2E1NRD2" "UniRef90_X0UC66"
$`57`
[1] "OTU3820" "UniRef90_A0A1Z9H3N2" "UniRef90_A0A2D5I161"
[4] "UniRef90_A0A2E6PRN5"
$`58`
[1] "OTU4452" "UniRef90_A0A1Z9KBI8" "UniRef90_A0A2E1VTI6"
[4] "UniRef90_A0A2G2KCN6" "UniRef90_UPI000BFEC744"
$`59`
[1] "OTU0245" "UniRef90_A0A1Z9MPM9" "UniRef90_A0A2E2ME98"
[4] "UniRef90_A0A2E8X9N7"
有没有办法只提取"OTUXXX"信息?我的意思是,我想得到这样的东西:
$`56`
[1] "OTU2998"
$`57`
[1] "OTU3820"
$`58`
[1] "OTU4452"
$`59`
[1] "OTU0245"