Programming-Idioms

boolean b = s.startsWith(prefix);

$b = (bool) preg_match('#^http#', $s);

b = s.startswith(prefix)

B := Ada.Strings.Fixed.Index (S, Prefix) = S'First;

bool b = !strncmp(s, prefix, sizeof(prefix)-1);

(def b (starts-with? s prefix))

IDENTIFICATION DIVISION.
PROGRAM-ID. prefix.
DATA DIVISION.
WORKING-STORAGE SECTION.
01 BOOLEAN-B     PIC X.
   88 b-TRUE       VALUE "T".
   88 b-FALSE      VALUE "F".
PROCEDURE DIVISION.
    IF s(1:3) = prefix(1:3)
       SET b-TRUE  TO TRUE
    ELSE
       SET b-FALSE TO TRUE
    END-IF 	 	
STOP RUN.

std::string prefix = "something";
bool b = s.compare(0, prefix.size(), prefix) == 0;

bool b = s.starts_with(prefix);

bool b = s.StartsWith(prefix);

b = s.startsWith(prefix);

var b = s.startsWith(prefix);

String.starts_with?(s,prefix)

prefix([], _) -> true;
prefix([Ch | Rest1], [Ch | Rest2]) ->
        prefix(Rest1, Rest2);
prefix(_, _) -> false.

prefix("abc", "abcdef").

B = string:find(S, Prefix) =:= S.

  logical :: b
  b = index (string, prefix) == 1

b := strings.HasPrefix(s, prefix)

b = prefix `isPrefixOf` s

var b = s.startsWith(prefix);

var b = (s.lastIndexOf(prefix, 0) === 0);

val b = s.startsWith(prefix)

(defun check-prefix (s prefix)
 (cond ((> (length prefix) (length s)) Nil)
       ( T ( equal prefix (subseq s 0 (length prefix ))))))

(setf b (check-prefix s prefix))

function startswith(text, prefix)
    return text:find(prefix, 1, true) == 1
end

b = startswith(s, prefix)

b = s:find(prefix, 1, true) == 1

b = string.sub(s, 1, #prefix) == prefix

BOOL b=[s hasPrefix:prefix];

b := pos(prefix, s) = 1;

$b = $prefix eq substr($s,0,length($prefix));

b = s.start_with?(prefix)

let b = s.starts_with(prefix);

val b = s.startsWith(prefix)

b := s beginsWith: prefix

Dim b As Boolean = s.StartsWith(prefix)