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(compare string 1 string 2) Clojure (string= string 1 string 2) Common Lisp (string-compare string 1 string 2 p< p= p>) Scheme (SRFI 13) (string= string 1 string 2) ISLISP: compare string 1 string 2: OCaml: String.compare (string 1, string 2) Standard ML [5] compare string 1 string 2: Haskell [6] [string]::Compare(string 1, string 2) Windows ...
Generally, var, var, or var is how variable names or other non-literal values to be interpreted by the reader are represented. The rest is literal code. Guillemets (« and ») enclose optional sections.
COBOL uses the STRING statement to concatenate string variables. MATLAB and Octave use the syntax "[x y]" to concatenate x and y. Visual Basic and Visual Basic .NET can also use the "+" sign but at the risk of ambiguity if a string representing a number and a number are together. Microsoft Excel allows both "&" and the function "=CONCATENATE(X,Y)".
Technically, Perl does not have a convention for including block comments in source code, but POD is routinely used as a workaround. PHP. PHP supports standard C/C++ style comments, but supports Perl style as well. Python. The use of the triple-quotes to comment-out lines of source, does not actually form a comment. [19]
This comparison of programming languages compares how object-oriented programming languages such as C++, Java, Smalltalk, Object Pascal, Perl, Python, and others manipulate data structures. Object construction and destruction
PHP's built-in array type is, in reality, an associative array. Even when using numerical indexes, PHP internally stores arrays as associative arrays. [13] So, PHP can have non-consecutively numerically indexed arrays.
In Perl (for numeric comparisons only, the cmp operator is used for string lexical comparisons), PHP (since version 7), Ruby, and Apache Groovy, the "spaceship operator" <=> returns the values −1, 0, or 1 depending on whether A < B, A = B, or A > B, respectively.
Download QR code; Print/export ... Currently PCRE version 8.40 (release date 2017-01-11) is used. Erlang: ... REs are written as strings in source code: all ...