locutus
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Locutus other languages' standard libraries to JavaScript for fun and educational purposes
22 lines (21 loc) • 734 B
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.strrchr = strrchr;
function strrchr(haystack, needle) {
// discuss at: https://locutus.io/php/strrchr/
// original by: Brett Zamir (https://brett-zamir.me)
// input by: Jason Wong (https://carrot.org/)
// bugfixed by: Brett Zamir (https://brett-zamir.me)
// example 1: strrchr("Line 1\nLine 2\nLine 3", 10).substr(1)
// returns 1: 'Line 3'
let pos = 0;
if (typeof needle !== 'string') {
needle = String.fromCharCode(parseInt(needle, 10));
}
needle = needle.charAt(0);
pos = haystack.lastIndexOf(needle);
if (pos === -1) {
return false;
}
return haystack.substr(pos);
}