P:\test>297188
P didn't match
P1Y matched
P1Y1M matched
P1Y1M1D matched
P1Y1M1DT1H matched
P1Y1M1DT1H1M matched
P1Y1M1DT1H1M1S matched
P1Y1M1DT1H1M1.1S matched
P1M1DT1H1M1.1S matched
P1DT1H1M1.1S matched
PT1H1M1.1S matched
PT1M1.1S matched
PT1.1S matched
PT0.1S matched

-P didn't match
-P1Y matched
-P1Y1M matched
-P1Y1M1D matched
-P1Y1M1DT1H matched
-P1Y1M1DT1H1M matched
-P1Y1M1DT1H1M1S matched
-P1Y1M1DT1H1M1.1S matched
-P1M1DT1H1M1.1S matched
-P1DT1H1M1.1S matched
-PT1H1M1.1S matched
-PT1M1.1S matched
-PT1.1S matched
-PT0.1S matched

P1H didn't match
P1M1Y didn't match
P1D1M didn't match
P1DT1M matched
PT1Y didn't match
PT1M matched
PT1D didn't match
PT1S1M didn't match
PT1M1H didn't match

-P1Y matched
P3Y3M3DT3H3M3S matched
P3M3Y3DT3H3M3S didn't match
P334Y3DT3H3M3S matched
PT2H matched
5T didn't match
PT didn't match
P5M6DT matched
P5M6DT9 didn't match
P600T6S didn't match