| import re |
| |
| # E.g. |
| # - 00:32:00.999999 |
| # - 00:32:00 |
| _TIME_RE_STR = r"([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9])(\.[0-9]+)?" |
| |
| RE_HEX = re.compile(r"[0-9A-Fa-f](?:_?[0-9A-Fa-f])*") |
| RE_BIN = re.compile(r"[01](?:_?[01])*") |
| RE_OCT = re.compile(r"[0-7](?:_?[0-7])*") |
| RE_DEC_OR_FLOAT = re.compile( |
| r"[+-]?(?:0|[1-9](?:_?[0-9])*)" # integer |
| + r"(?:\.[0-9](?:_?[0-9])*)?" # optional fractional part |
| + r"(?:[eE][+-]?[0-9](?:_?[0-9])*)?" # optional exponent part |
| ) |
| RE_LOCAL_TIME = re.compile(_TIME_RE_STR) |
| RE_DATETIME = re.compile( |
| r"([0-9]{4})-(0[1-9]|1[0-2])-(0[1-9]|1[0-9]|2[0-9]|3[01])" # date, e.g. 1988-10-27 |
| + r"(?:" |
| + r"[T ]" |
| + _TIME_RE_STR |
| + r"(?:Z|[+-]([01][0-9]|2[0-3]):([0-5][0-9]))?" # time offset |
| + r")?" |
| ) |
