Replace element with pattern

x <- rbind("Peak Usage    : init:2359296, used:15859328, committed:15892480,max:50331648Current Usage : init:2359296, used:15857920,committed:15892480, max:50331648|-------------------|")
apply(x, 1, function(a) sub("(Current.*?[/|]).*", "\\1", a))

Hi,
         I have a data frame with one column and several rows of the form.

"Peak Usage    : init:2359296, used:15859328, committed:15892480,
max:50331648Current Usage : init:2359296, used:15857920,
committed:15892480, max:50331648|-------------------|"

I tested the regex

 Current.*?[\|]

in an online tester which greedily matches upto the first 'pipe' character

Current Usage : init:2359296, used:15857920, committed:15892480,
max:50331648|

This is what I want.

I tried to replace the entire rows using

apply( y, 1, function(x) gsub(x,"Current.*?[/|]",x)) which didn't work.

How is this done ? I also want to recursively apply some more patterns one
by one on the rows till I reduce it to exactly what I want. Is there a way
to do this without loops ?

Thanks,
Mohan


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