BrightSign BrightScript 2 Reference Guide - Manual (Page 38)

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Global String Functions
UCase(s As String) As String
Converts the string to all upper case.
LCase(s As String) As String
Converts the string to all lower case.
Asc (letter As String) As Integer
Returns the ASCII code for the first character of the specified string. . A null-string
argument will cause an error to occur. Example:
print asc("a")
Chr (ch As Integer) As String
Performs the inverse of the ASC function: returns a one-character string whose character
has the specified ASCII, or control. Example:
print chr(35) „prints a number-sign #
Using CHR, you can assign quote-marks (normally used as string-delimiters) to strings.
The ASCII code for quotes - is 34. So A$=CHR(34) assigns the value " to A$.
Instr(position to start As Integer, text-to-search As String,
substring-to-find As String) As Integer
Returns the position of a substring within a string. Returns 0 if the substring is not found.
The first position is 1. For example:
print instr(1, “this is a test”, “is”)
will print 3
Left (s As String, n As Integer) As String
Returns the first n characters of s.
print left(“timothy”, 3) „ displays tim
Len (s As String) As Integer
Returns the character length of the specified string. Example:
print len(“timothy”) „ prints 7