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Following you will find a selection of string processing functions and operators:


&
 Concatenation operator
 strings.find
 Searches for a substring, supports pattern matching
in
 Searches for a substring
 strings.glob
 Matches patterns including ? and * wildcards
notin
 Checks whether a substring is not included
 strings.match
 Looks for the match of a pattern
atendof
 Checks whether a string ends in the given pattern
 strings.hits
 Number of occurrences of a substring pattern
strings.include
 Inserts a substring
 size
 String length
strings.replace
 Replaces substrings
 abs
 ASCII code
strings.remove
 Removes a substring
 empty/filled
 Check for an empty/filled string
split
 Splits a string into its words
 tonumber
 Converts a string to a number
strings.fields
 Extracts given fields (columns) in a string
 tostring
 Converts a number to a string
trim
 Removes leading and trailing white spaces
 strings.format
 C-style formatting
strings.ltrim Removes all leading white spaces or a given character strings.rtrim Removes all trailing white spaces or a given character
lower/upper
 Convert to lower/upper case
 strings.capitalise/
strings.uncapitalise		 Capitalise/uncapitalise a string
strings.dleven
 Damerau-Levenshtein distance of two strings
 regex.new
 Defines a regular expression pattern
strings.fuzzy
 Compares two strings case-insensitively and returns an estimate of their similarity
 regex.count
 Counts the number of matches
strings.jaro
 Jaro(-Winkler) similarity of two strings regex.find
 Searches a string with a regular expression
strings.shannon
 Shannon entropy
 regex.match
 Looks for the first match of a regex-pattern in a string