R CODER

STRING MANIPULATION IN R

String manipulation in R involves the modification, analysis and transformation of text data, including actions such as substring extraction, pattern searching, replacement, concatenation and formatting changes to strings

The nchar function in R

Count the number of characters with nchar()

nchar() nzchar()

Concatenate strings in R with paste and paste0 functions

Concatenate strings with paste() and paste0()

paste() paste0()

Print values in R with the print(), sprintf(), cat() and noquote() functions

Print formatted values with sprintf()

sprintf()

Lowercase and uppercase in R with tolower(), toupper() and chartr()

Lowercase and uppercase with tolower() and toupper()

tolower() toupper() casefold() chartr()

The strsplit() function in R

Split strings with strsplit()

strsplit()

The substring() and substr() functions in R

Extract and replace substrings with substring() and substr()

substring() substr()

Remove leading or trailing whitespaces in R with trimws()

Remove leading and/or trailing whitespaces with trimws()

trimws()

Pattern matching in R

Pattern matching with grepl() and grep()

grepl() grep()

Pattern matching and replacement in R

Pattern matching and replacement with gsub() and sub()

gsub() sub()