strings4.R

names=c('Ajay','Vijay','Ra Jay','Jayesh')
class(names)

## [1] "character"

names[1]

## [1] "Ajay"

class(names[1])

## [1] "character"

substr(names[1],2,3)

## [1] "ja"

substr(names[3],3,nchar(names[3]))

## [1] " Jay"

paste(substr(names[3],3,nchar(names[3])),substr(names[2],3,nchar(names[2])))

## [1] " Jay jay"

tolower(names[1])

## [1] "ajay"

gsub(" ","",names[3])

## [1] "RaJay"