set s {{ abc1 } 1
{ cde1 } 101
{ fgh1 } 1
{ ijk1 } 2}
set re {^{[^{}]*}\s*(\d+)[\r\n]+{[^{}]*}\s*\d+[\r\n]+{[^{}]*}\s*(\d+)}
regexp $re $s m g1 g2
set res [expr $g1 + $g2]
puts $res
c2V0IHMge3sgYWJjMSB9IDEKeyBjZGUxIH0gMTAxCnsgZmdoMSB9IDEKeyBpamsxIH0gMn0Kc2V0IHJlIHtee1tee31dKn1ccyooXGQrKVtcclxuXSt7W157fV0qfVxzKlxkK1tcclxuXSt7W157fV0qfVxzKihcZCspfQpyZWdleHAgJHJlICRzIG0gZzEgZzIKc2V0IHJlcyBbZXhwciAkZzEgKyAkZzJdCnB1dHMgJHJlcwoK