正则匹配html标签的style
let str = `<div data-v-b2141722="" style="width: 100%; height: 100%;"><span data-v-b2141722=""><table style="border-collapse: collapse; width: 200px; height: 59px;" border="1">
<tbody>
<tr style="height: 38px;">
<td style="width: 96px; height: 38px;"></td>
<td style="width: 97px; height: 38px;"></td>
</tr>
<tr style="height: 21px;">
<td style="width: 96px; height: 21px;"> </td>
<td style="width: 97px; height: 21px;"> </td>
</tr>
</tbody>
</table></span></div>`
需求：我想拿到这个html字符串的style
