JavaScript: Search a date within a string
JavaScript validation with regular expression: Exercise-4 with Solution
Write a JavaScript program to search a date within a string.
Sample string:
"Albert Einstein was born in Ulm, on 14/03/1879."Pictorial Presentation:
Sample Solution:-
HTML Code:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>JavaScript function to check whether a given value is date string or not.</title>
</head>
<body>
</body>
</html>
JavaScript Code:
function is_dateString(str)
{
regexp = /^(1[0-2]|0?[1-9])\/(3[01]|[12][0-9]|0?[1-9])\/(?:[0-9]{2})?[0-9]{2}$/;
if (regexp.test(str))
{
return true;
}
else
{
return false;
}
}
console.log(is_dateString("01/01/2015"));
console.log(is_dateString("01/22/2015"));
console.log(is_dateString("32/01/2015"));
Sample Output:
true true false
Flowchart:
Live Demo:
See the Pen javascript-regexp-exercise-4 by w3resource (@w3resource) on CodePen.
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