Patterns in Regex

I need help just making the pattern to extract data from a web page. FOr example i need somwething like : (?/>)w+(/>?)
In the text file i attached you will see some thing like this

I need all the numbers between the = and " so in this examle the results whould be 1172389,1174199, 1197589 and so on....
The complete file is attached. Thanks a lot

<a href="profile.php?id=1172389">RedBull392</a> [Hitman 100-499] 

<a href="profile.php?id=1174199">Marcus1122</a> [Hitman 100-499] 

<a href="profile.php?id=1197589">godfatherkire</a> [Hitman 100-499] 
<a href="profile.php?id=1203312">trixter</a> [Hitman 100-499] 
<a href="profile.php?id=1219358">bigpimp69692</a> [Hitman 100-499] 
<a href="profile.php?id=1229476">OH****</a> [Hitman 100-499] 

<a href="profile.php?id=1269919">Justlivetolive</a> [Hitman 100-499]