Strings
Replace substring
Replace substring
# replace all characters "a" with "x"
gsub("a", "x", "a1 a2 a3 a4")
"x1 x2 x3 x4"
# replace file ending ".txt" with ".csv"
filename = "mydata.txt"
newFilename = gsub(".txt", ".csv", filename)
mydata.csv
# remove file ending ".txt"
filename = "mydata.txt"
rawname = gsub(".txt", "", filename)
mydata
Split and merge text strings
Split and merge text strings
# split a string using the comma
strsplit('A,B,C',',')
"A" "B" "C"
# join / concatenate a list to a string
paste('A', 'B', 'C')
"A B C"
paste('A', 'B', 'C', sep='-')
"A-B-C"
paste('A', 'B', 'C', sep='')
"ABC"
# formatted output string
sprintf('Results of %s is %.2f', 'A' , 2.47361)
"Results of A is 2.47"