Sample DATA
x=c("AG.av08_binloop_v6","TL.av1_binloopv2")
Sample ATTEMPT
y=gsub(".*_","",x)
Sample DESIRED
WANT=c("binloop_v6","binloopv2")
Basically I aim to extract all the characters AFTER the first underscore value.
In the pattern
, we can change the zero or more any characters (.*
- here .
is metacharacter that can match any character) to zero or more characters that is not a _
([^_]*
) from the start (^
) of the string.
sub("^[^_]*_", "", x)
#[1] "binloop_v6" "binloopv2"
If we don't specify it as such, the _
will match till the last _
in the string and uptill that substring will be lost returning 'v6' and 'binloopv2'
An easier option would be word
from stringr
library(stringr)
word(x, 2, sep = "_")
#[1] "binloop" "binloopv2"
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