text: module.exports = function ( sentence, chr, isPalindrome ) {
      let input;
      let output = [];
  
      for ( let i of chr ) {
          if ( sentence.includes ( i ) )
              sentence = sentence.replace ( new RegExp ( i, 'g' ), '' );
      }
  
      input = sentence.split ( ' ' );
  
      input.map ( elm => {
          if ( isPalindrome ( elm ) )
              output.push ( elm );
      } );
  
      for ( let index in output ) {
          if ( output [ index ].length == 0 | output [ index ].length == 1 )
              delete output [ index ];
      }
  
      output = output.filter ( e => e );
  
      if ( output.length == 0 )
          return 'No palindromes found';
  
      else
          return output;
  }
  