check first character of string whether uppercase or not?
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');Copyright © 2021 Codeinu
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