Character Data ("String") Operations

These are the available functions for string operations.See each function's help topic in the TERR Language Reference for more information.


Function name	Title description
`agrep`	Approximate String Matching (Fuzzy Matching)
`agrepl`	Approximate String Matching (Fuzzy Matching)
`as.character`	Character Objects
`as.character.factor`	Character Objects
`basename`	Manipulate File Paths
`casefold`	Convert Case of Character Strings
`char.expand`	Expand a String with Respect to a Target Table
`character`	Character Objects
`charmatch`	Partial Matching of Character Strings
`dirname`	Manipulate File Paths
`Encoding`	String Encodings of a Character Vector
`Encoding<-`	String Encodings of a Character Vector
`endsWith`	Match Patterns with Strings
`format`	Formatted Character Data
`formatC`	Formatting Using C-style Formats
`format.data.frame`	Formatted Character Data
`format.default`	Formatted Character Data
`format.factor`	Formatted Character Data
`gettext`	Translate Text Messages
`gettextf`	Generate C-Style Formatted Output
`gregexpr`	Match Patterns in Strings
`grep`	Search for a Pattern in Text
`grepl`	Search for a Pattern in Text
`grepRaw`	Search for Pattern in Text
`gsub`	Replace Part of a Character String
`iconv`	Convert Character Vector between Encodings
`iconvlist`	Convert Character Vector between Encodings
`inverse.rle`	Run Length Encoding and Decoding
`is.character`	Character Objects
`make.unique`	Make Character Strings Unique
`match`	Match Items against a Table
`nchar`	Lengths of Character Strings
`ngettext`	Translate Text Messages
`nzchar`	Lengths of Character Strings
`paste`	Concatenate Data to Make Character Data
`pmatch`	Partial Matching of Character Items in a Vector
`prettyNum`	Formatting Using C-style Formats
`print.rle`	Run Length Encoding and Decoding
`regexec`	Search for a Pattern in Text
`regexpr`	Match Patterns in Strings
`regmatches`	Extract or Replace Matched Substrings
`regmatches<-`	Extract or Replace Matched Substrings
`rle`	Run Length Encoding and Decoding
`sort`	Sort into Numeric or Alphabetic Order
`sort.default`	Sort into Numeric or Alphabetic Order
`sort.int`	Sort into Numeric or Alphabetic Order
`sort.POSIXlt`	Sort into Numeric or Alphabetic Order
`sprintf`	Generate C-Style Formatted Output
`startsWith`	Match Patterns with Strings
`strrep`	Replace Strings with Repeated Versions
`strsplit`	Split the Elements of a Character Vector
`sub`	Replace Part of a Character String
`substr`	Extract or Replace Portions of Character Strings
`substr<-`	Extract or Replace Portions of Character Strings
`substring`	Extract or Replace Portions of Character Strings
`substring<-`	Extract or Replace Portions of Character Strings
`symnum`	Symbolic Number Coding
`tempdir`	Create Unique Names for Files
`tempfile`	Create Unique Names for Files
`tolower`	Convert Case of Character Strings
`toTitleCase`	Convert Case of Character Strings
`toupper`	Convert Case of Character Strings
`trimws`	Remove leading or trailing white space