If he want match also leading space (" 4.393864E+00 .0" instead of "4.393864E+00 .0") I suggest

/^\s+\d+\s(.*?)\s+\d+\s(.*?)$/

In reply to Re:^2 How can I match between two integer numbers by ph0enix
in thread How can I match between two integer numbers by Anonymous Monk

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