@genexus/web-standard-functions/dist/lib-esm/text/lastIndexOf.js

GeneXus JavaScript standard functions library for web generators

import { length } from "../text/length";
/**
 * Return position for last pattern occurence. Search is done backguard
 * @param {string} target
 * @param {string} pattern
 * @param {number} from
 * @return number
 */
export const lastIndexOf = (target, pattern, from) => {
    if (from === undefined) {
        from = target.length;
    }
    if (from < 1 || from > length(target))
        return 0;
    return target.lastIndexOf(pattern, from - 1) + 1;
};
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