This is a quick little hack on the matter. Ill look at it more later

#!/usr/bin/perl
while (<DATA>){
print if(m#\s+([\w\-]+\s*)+</td>#g);
}
__DATA__
This is a test
This is a (test)
This is a (test123)
this is a (123)
This-is a test
This-is-a test </td>
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