String

Name	Description	Example
upper	Converts all letters to the capital letters	`upper("AbCdefG") == "ABCDEFG"`
lower	Converts all letters to the small letters	`lower("AbCdefG") == "abcdefg"`
split	Splits a string into sub-strings using a separator	`split("abc,def,ghi", ",") == ["abc", "def", "ghi"]`

Convert to Upper Case

Converts all letters to the capital letters.

upper(str)

Argument	Type
str	`string`

All the following expressions result in true:

upper("AbCdefG") == "ABCDEFG"

upper("7b&*#č汉字") == "7B&*#Č汉字"

Converts all letters to small letters.

lower(str)

Argument	Type
str	`string`

All the following expressions result in true:

lower("AbCdefG") == "abcdefg"

lower("7B&*#Č汉字") == "7b&*#č汉字"

Splits a string into sub-strings using a separator.

split(str, separator)

Argument	Type	Meaning
str	`string`	String to be split
separator	`string`	Separator

All the following expressions result in true:

split("abc,def,ghi", ",") == ["abc", "def", "ghi"]

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