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  1. or download this
    use strict;
use warnings;
...
R00010: 00500: C01083 => C00031
R00013: 00630: C00048 => C01146
R00013: 01100: C00048 <=> C01146
  2. or download this
    R00005 - =>
R00005 - =>
...
R00010 - =>
R00013 - =>
R00013 - <=>
  3. or download this
    /^([^:]+).+\s+([<=>]+)\s+/
 ^   ^    ^      ^
...
 |   |    + - Keep going, matching any character except \n
 |   + - Capture characters that are not :
 + - Start at the beginning