Strings ☆☆
String Constants
String Constants are expressed being enclosed in double quotation marks " and ".
Example
PRINT "BASIC"
If a double quotation mark is included in a string constant, it must be repeated twice.
Example.
10 PRINT "A""BC""" 20 END
Output
A"B"
String identifiers
String variables and string functions are named by identifiers that end with $.
Example.
10 LET A$="ABC" 20 PRINT A$ 30 END
String concatenation
The string concatenation operator is &.
Example.
10 LET a$="123" 20 LET b$="456" 30 PRINT a$ & b$ 40 END
Output
123456
String LET-statement
Example.
10 LET s$="123" 20 LET s$=s$ & "4" 30 PRINT s$ 40 END
Output
1234