My data contains text strings with three important features, an id number separated by":" and a starting date and an end date. I need to get these tree numbers
perl5.12
na.rm
jestjs
tensorflow-estimator
alternation
completion-service
mutated
sublimetext2
azure-cognitive-search
react-material-ui-form-validator
matpower
opencl-c
cross-product
fastcgi
process-monitor
android-gpuimageview
indexed
angular2-routing
cxxtest
document-body
fedex
swift5.5
kenlm
attr-accessor
linden-scripting-language
weblogic12c
ceramic-tile-engine
presto
msrpc
docker-named-volume