how to remove everything before a specific point R code example
Example: r substitute string character until :
foo <- "TF_list_to_test10004/Nus_k0.345_t0.1_e0.1.adj:PKMYT1"
# Remove all before and up to ":":
gsub(".*:","",foo)
# Extract everything behind ":":
regmatches(foo,gregexpr("(?<=:).*",foo,perl=TRUE))