Regular expression in eclipse

Hi I have many xml file, in each I would like change this:

<DNI code="000.010.000.100">
  <Item>1580634903404</Item>
</DNI>

for:

<DNI code="000.010.000.100">
  <Item>0000000000</Item>
</DNI>

for example.

Please need your help.

Sorry,

this:

<DNI code="000.010.000.100">
  <Item>15.80634.903.4-P</Item>
</DNI>
<XDR code="000开发者_开发知识库.010.000.020">
   <Item>9384934P</Item>
 </XDR>
  <YXR code="000.060.010.0030">
   <Item>Hello</Item>
 </YXR>

result:

<DNI code="000.010.000.100">
  <Item>0000000000</Item>
</DNI>

Thanks.

---

Look for: <Item>\d+[\<\w\"=\./\>\-\s]+</YXR>

Replace with: <Item>0000000000</Item> </DNI>