{{fbdoc item="title" value="Operator + (String concatenation)"}}---- Concatenates two strings {{fbdoc item="syntax"}}## [[KeyPgDeclare|declare]] [[KeyPgOperator|operator]] **+** ( [[KeyPgByref|byref]] //lhs// [[KeyPgAs|as]] [[KeyPgString|string]], [[KeyPgByref|byref]] //rhs// [[KeyPgAs|as]] [[KeyPgString|string]] ) [[KeyPgAs|as]] [[KeyPgString|string]] [[KeyPgDeclare|declare]] [[KeyPgOperator|operator]] **+** ( [[KeyPgByref|byref]] //lhs// [[KeyPgAs|as]] [[KeyPgZstring|zstring]], [[KeyPgByref|byref]] //rhs// [[KeyPgAs|as]] [[KeyPgZstring|zstring]] ) [[KeyPgAs|as]] [[KeyPgZstring|zstring]] [[KeyPgDeclare|declare]] [[KeyPgOperator|operator]] **+** ( [[KeyPgByref|byref]] //lhs// [[KeyPgAs|as]] [[KeyPgWstring|wstring]], [[KeyPgByref|byref]] //rhs// [[KeyPgAs|as]] [[KeyPgWstring|wstring]] ) [[KeyPgAs|as]] [[KeyPgWstring|wstring]] ## {{fbdoc item="usage"}}## //result// = //lhs// **+** //rhs// ## {{fbdoc item="param"}} ##//lhs//## The left-hand side string to concatenate. ##//rhs//## The right-hand side string to concatenate. {{fbdoc item="desc"}} This operator concatenates two strings. Unlike [[KeyPgOpConcatConvert|Operator & (String concatenation with conversion)]] both expressions //must// be strings, and may not be converted (in fact, any attempt to concatenate a string with a non-string or two non-strings will result in a type mismatch error, with the exception of when operator overloading is used in a UDT). {{fbdoc item="ex"}} {{fbdoc item="filename" value="examples/manual/operator/concat_nocvt.bas"}}%%(freebasic) Dim As String a = "Hello, ", b = "World!" Dim As String c c = a + b Print c %% Output: %% Hello, World! %% {{fbdoc item="diff"}} - None {{fbdoc item="see"}} - [[KeyPgOpAdd|Operator + (Add)]] - [[KeyPgOpConcatConvert|Operator & (String concatenation with conversion)]] - ##[[KeyPgStr|Str]]## {{fbdoc item="back" value="CatPgOpString|String Operators"}}{{fbdoc item="back" value="CatPgOperators|Operators"}}