Common Systax Items
SPC - One or more Spaces
SPC = {' '}-;
Time
EU_TIME = HH, ':', MM;
US_TIME = USH, [ ':', MM ], ( 'am' | 'pm' );
Allowed syntax variantes for EU_TIME (by space):
0:00 0:01 .. 9:59
00:00 00:01 .. 09:59
10:00 .. 23:59
Allowed syntax variantes for US_TIME (by space):
12pm 1pm 2pm 3pm .. 11pm
12am 1am .. 11am
12:00pm 12:01pm .. 11:59pm
12:00am .. 11:59am
HH - Hours
HH = ( ( ['0'] | '1' ), ( '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' ) )
| ( '2', ( '0' | '1' | '2' | '3' ) );
USH = ( '1', [ '0' | '1' | '2' ] )
| '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9';
Allowed syntax variantes for HH (by space):
0 1 2 3 4 5 6 7 8 9
00 01 02 03 04 05 06 07 08 09
10 11 12 13 14 15 16 17 18 19
20 21 22 23
Allowed syntax vaiantes for USH (by space):
1 2 3 4 5 6 7 8 9 10 11 12
MM - Minutes
MM = ( ( '0' | '1' | '2' | '3' | '4' | '5' ),
( '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' ) );
Allowed syntax variantes for MM (by space):
00 01 02 03 04 05 06 07 08 09
10 21 22 23 24 25 26 27 28 29
30 31 32 33 34 35 36 37 38 39
40 41 42 43 44 45 46 47 48 49
50 51 52 53 54 55 56 57 58 59
ISO Date
YYYY -- Years
YYYY = 4* ( '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '9' );
MO -- Month
MO = ( '0', ('1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' ) )
| ( '1', ( '0' | '1' | '2' ) );
Allowed syntax variantes for MO (by space):
01 02 03 04 05 06 07 08 09 10 11 12
DD -- Days
DD = ( ( '0' | '1' | '2' ), ( '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9') ) |
( ( '1' | '2' ), '0' );
DD30 = DD | '30';
DD31 = DD30 | '31';
01 02 03 04 05 06 07 08 09 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29
01 .. 29 30
01 .. 29 30 31