JavaScript: Check whether the first character of a string is uppercase or not
JavaScript validation with regular expression: Exercise-1 with Solution
Write a JavaScript program to test whether the first character of a string is uppercase or not.
Pictorial Presentation:

Sample Solution:-
HTML Code:
<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>JavaScript Regular expression to check string's first character is uppercase or not</title>
</head>
<body>
</body>
</html>
JavaScript Code:
function upper_case(str)
{
regexp = /^[A-Z]/;
if (regexp.test(str))
{
console.log("String's first character is uppercase");
}
else
{
console.log("String's first character is not uppercase");
}
}
upper_case('Abcd');
upper_case('abcd');
Sample Output:
String's first character is uppercase String's first character is not uppercase
Flowchart:

Live Demo:
See the Pen javascript-regexp-exercise-1 by w3resource (@w3resource) on CodePen.
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