Programming-Idioms

(define (empty-string? s)
  (= (string-length s) 0))

(define blank (empty-string? (string-trim s)))

Blank := Index_Non_Blank (Str) = 0;

bool blank = true;
for (const char *p = s; *p; p++) {
	if (!isspace(*p)) {
		blank = false;
		break;
	}
}

(blank? s)

IDENTIFICATION DIVISION.
PROGRAM-ID. blank string.
DATA DIVISION.
WORKING-STORAGE SECTION.
01 BOOLEAN-BLANK     PIC X.
   88 BLANK          VALUE "T".
   88 NOT-BLANK      VALUE "F".
PROCEDURE DIVISION.
    IF s > SPACES
       SET BLANK     TO TRUE
    ELSE
       SET NOT-BLANK TO TRUE
    END-IF 	 	
STOP RUN.

bool blank = false;
if (s.empty() || std::all_of(s.begin(), s.end(), [](char c){return std::isspace(c);})) {
      blank = true;
}

bool blank = string.IsNullOrWhiteSpace(s);

bool blank = string.IsNullOrWhiteSpace(s);

bool blank = s.all!isSpace;

final blank = s == null || s.trim() == '';

bool blank = s?.trim()?.isEmpty ?? true;

blank = s == nil || String.length(String.trim s) == 0

Blank = string:is_empty(string:trim(S)).

blank = s == ''

blank := strings.TrimSpace(s) == ""

blank :: Bool
blank = all isSpace s

b = null (dropWhile isSpace s)

const blank = s == null || s.trim() === ''

boolean blank = s==null || s.strip().isEmpty();

boolean blank = s==null || s.isBlank();

boolean blank = s == null || s.isBlank();

boolean blank = StringUtils.isBlank(s);

val blank = s.isNullOrBlank()

(setf blank (not (find #\space s :test-not #'eql)))

 blank = (s == nil or #string.gsub(s, "^%s*(.-)%s*$", "%1") == 0)

BOOL blank=![s stringByTrimmingCharactersInSet:NSCharacterSet.whitespaceCharacterSet].length;

$blank = (empty(trim($s));

$blank = !trim($s);

blank := trim(s) = '';

$blank = !$s || $s=~/^\s*$/;

blank = not s or s.isspace()

blank = not s or \
        not sub(r'\s+', '', s)

blank = not s or \
        not any(x not in ws for x in s)

blank = s.nil? or s.strip.empty?

let blank = s.chars().all(|c| c.is_whitespace());

let blank = s.trim().is_empty();

val blank = Option(s).forall(_.trim.isEmpty)

blank := s isAllSeparators.

Dim blank As Boolean = String.IsNullOrWhitespace(s)