STRING	Transformation into a string
LEFT$, RIGHT$, MID$	Left, right, middle part of a string
LOWCASE$, UPCASE$	Changing case of characters
TRIM$	Remove leading and trailing spaces
LEN	String length
POS	Search for substring in string
CHR$, CHAR	Integer value in character convert
ASC	Code of an character
SPLIT, SPLITN	Split string into two parts
COUNTC	Counts, how often a string contains a character
XCHGS	Exchange strings