16 lines
501 B
JavaScript
16 lines
501 B
JavaScript
function count(main_str, sub_str)
|
|
{
|
|
main_str += '';
|
|
sub_str += '';
|
|
|
|
if (sub_str.length <= 0)
|
|
{
|
|
return main_str.length + 1;
|
|
}
|
|
|
|
subStr = sub_str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
|
|
return (main_str.match(new RegExp(subStr, 'gi')) || []).length;
|
|
}
|
|
|
|
console.log(count("The quick brown fox jumps over the lazy dog", 'the'));
|
|
console.log(count("The quick brown fox jumps over the lazy dog", 'fox',false)); |