1
02:03,500 --> 02:05,000
a two part timestamp

2
00:00:05,000 --> 00:00:07,000,000
an extra comma in the end time

3
0:0:8 --> 0:0:9
unpadded fields

4
 00:00:09,000  -->  00:00:11,000 
padded with spaces

5
1:2:3.456 --> 1:2:4.5
a point instead of a comma