my regex

regex

Remove all PHP Code within the HTML page
<\?php(.+?)\?>  ==>   <!--/1-->

Change b to strong
<b[^>]*>([^<]*?)</b>  ==>  <strong>\1</strong>

Change i to em
<i[^>]*>([^<]*?)</i>
<em>\1</em>

Make Icone via ImageMagick for web
"C:\Program Files\ImageMagick-7.0.7-Q16\convert.exe" favicon.png  -bordercolor white -border 0  -clone 0 -resize 16x16  -clone 0 -resize 32x32  -clone 0 -resize 48x48 -clone 0 -resize 64x64  -delete 0 -alpha off -colors 256 favicon.ico


Remove Tables
<table.*?>.*?</table>

Tables and Rows
<table.*?>.*?<(tr).*?>[^<.]*?</tr>.*?</table>

a bettet version to remove table
<(table|thead|tbody|tr|th|td).*?>[^<.]*?</\1>
<(table|thead|tbody|tr|th|td)([^>]*?)>([^<]+?\b)</\1>
<(table|thead|tbody|tr|th|td)([^>]*?)>(?:(?!\1).)*?</\1>
<(table|thead|tbody|tr|th|td)([^>]*?)>((?:(?!\1)[^<])*?)</\1>
<div\2>\3</div>