String functions

All functions which are directly related to an individual string are summarized here.

General functions:

f$StrLen	Get the actual string length
f$SubStr	Get a sub string from a string

Conversion functions:

f$Upper	Convert a string to upper case
f$Lower	Convert a string to lower case
f$decrypt	Encrypt a text
f$encrypt	Decrypt a text
f$replace	Replace a search string with a replace string
f$placeholder	Substitute @parameter@ with value of parameter

Comparison functions:

f$FindStr	Find a string within another
f$IsStringEQ	Test if two strings are equal
f$IsStringNE	Test if two strings are not equal
f$IsStringIn	Test if string1 is part of string2
f$IsCharIn	Test if some characters are part of string

Date functions:

f$Dateval	Get day, week, month, year from date
f$Datecheck	Check validity of date
f$DateCompare	Difference of two dates
f$DateAdd	Add days, weeks, months, years to date and convert dates into other formats
f$dateformat	convert dates into other formats