whole_func_string: function splitOnWords( sentence, stopwords ) {
  	const splitSentences = [];
  
  	// Split the sentence on each found stopword and push this part in an array.
  	forEach( stopwords, function( stopword ) {
  		const sentenceSplit = sentence.split( stopword );
  		if ( ! isEmpty( sentenceSplit[ 0 ] ) ) {
  			splitSentences.push( sentenceSplit[ 0 ] );
  		}
  		const startIndex = sentence.indexOf( stopword );
  		const endIndex = sentence.length;
  		sentence = stripSpaces( sentence.substr( startIndex, endIndex ) );
  	} );
  
  	// Push the remainder of the sentence in the sentence parts array.
  	splitSentences.push( sentence );
  	return splitSentences;
  }
func_code_string: function splitOnWords( sentence, stopwords ) {
  	const splitSentences = [];
  
  	// Split the sentence on each found stopword and push this part in an array.
  	forEach( stopwords, function( stopword ) {
  		const sentenceSplit = sentence.split( stopword );
  		if ( ! isEmpty( sentenceSplit[ 0 ] ) ) {
  			splitSentences.push( sentenceSplit[ 0 ] );
  		}
  		const startIndex = sentence.indexOf( stopword );
  		const endIndex = sentence.length;
  		sentence = stripSpaces( sentence.substr( startIndex, endIndex ) );
  	} );
  
  	// Push the remainder of the sentence in the sentence parts array.
  	splitSentences.push( sentence );
  	return splitSentences;
  }
func_documentation_string: Splits sentences into sentence parts based on stopwords.
  
  @param {string} sentence The sentence to split.
  @param {Array} stopwords The array with matched stopwords.
  @returns {Array} The array with sentence parts.