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function replaceDates() {
  var oldString = /<p>Module available from.+<\/p>/igm;
  // var oldString = /<p>Module available from.+<\/p>|<p>.+Module available from.+<\/p>/igm;
  var newString = '';
  var cpCalendarDates = document.querySelectorAll('.generic_table.cke_show_border tbody tr > td:first-child');
console.log(cpCalendarDates);
  for(let date of cpCalendarDates) {
    console.log(date.innerHTML);

    if(date.innerHTML.toLowerCase().includes('week 2')) {
      console.log('week 2 added');
      newString = '<p>Module available from Wednesday, 8/30 through Tuesday, 9/5</p>';
    }

    else if(date.innerHTML.toLowerCase().includes('week 3')) {
      console.log('week 3 added');
      newString = '<p>Module available from Wednesday, 9/6 through Tuesday, 9/12</p>';
    }

    else if(date.innerHTML.toLowerCase().includes('week 4')) {
      console.log('week 4 added');
      newString = '<p>Module available from Wednesday, 9/13 through Tuesday, 9/19</p>';
    }

    else if(date.innerHTML.toLowerCase().includes('week 5')) {
      console.log('week 5 added');
      newString = '<p>Module available from Wednesday, 9/20 through Tuesday, 9/26</p>';
    }

    else if(date.innerHTML.toLowerCase().includes('week 6')) {
      console.log('week 6 added');
      newString = '<p>Module available from Wednesday, 9/27 through Tuesday, 10/3</p>';
    }

    else if(date.innerHTML.toLowerCase().includes('week 7')) {
      console.log('week 7 added');
      newString = '<p>Module available from Wednesday, 10/4 through Tuesday, 10/10</p>';
    }

    else if(date.innerHTML.toLowerCase().includes('week 8')) {
      console.log('week 8 added');
      newString = '<p>Module available from Wednesday, 10/11 through Tuesday, 10/17</p>';
    }

    else if(date.innerHTML.toLowerCase().includes('week 9')) {
      console.log('week 9 added');
      newString = '<p>Module available from Wednesday, 10/18 through Tuesday, 10/24</p>';
    }

    else if(date.innerHTML.toLowerCase().includes('week 10')) {
      console.log('week 10 added');
      newString = '<p>Module available from Wednesday, 10/25 through Tuesday, 10/31</p>';
    }

    else if(date.innerHTML.toLowerCase().includes('week 11')) {
      console.log('week 11 added');
      newString = '<p>Module available from Wednesday, 11/1 through Tuesday, 11/7</p>';
    }

    else if(date.innerHTML.toLowerCase().includes('week 12')) {
      console.log('week 12 added');
      newString = '<p>Module available from Wednesday, 11/8 through Tuesday, 11/14</p>';
    }

    else if(date.innerHTML.toLowerCase().includes('week 13')) {
      console.log('week 13 added');
      newString = '<p>Module available from Wednesday, 11/15 through Tuesday, 11/21</p>';
    }

    else if(date.innerHTML.toLowerCase().includes('week 14')) {
      console.log('week 14 added');
      newString = '<p>Module available from Wednesday, 11/22 through Tuesday, 11/28</p>';
    }

    else if(date.innerHTML.toLowerCase().includes('week 15')) {
      console.log('week 15 added');
      newString = '<p>Module available from Wednesday, 11/29 through Saturday, 12/9</p>';
    }

    else if(date.innerHTML.toLowerCase().includes('week 1')) {
      console.log('week 1 dates added');
      newString = '<p>Module available from Monday, 8/21 through Tuesday, 8/29</p>';
    }

    updateString(date, oldString, newString);
  }
}

function updateString(target, oldString, newString) {
  let updatedContent = target.innerHTML.replace(oldString, newString);
  console.log(updatedContent);
  target.innerHTML = updatedContent;
}

replaceDates();