JSFiddle - React, Tailwind, and code Playground

by emilcieslar

JavaScript

function TrimSentence(source, length) {
  var result;
	debugger
  result = source.substr(0, length);

  var re = /\w$/;

  if (re.test(result)) {
    var matches = result.match(/\W\w+$/);

    result = source.substr(0, matches.index);
  }

  return result;
}

const result = TrimSentence('Whatever sentence is this, it is goig to be trimmed.\n\nAnd this is another sentence', 15);
alert(result);