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Java date parsing without separators?


Java date parsing without separators?

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Java date parsing without separators?
Tag : java , By : Lucas Thompson
Date : November 27 2020, 01:01 AM


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Why does date parsing depend on separators?


Tag : ruby , By : rajiv
Date : March 29 2020, 07:55 AM
may help you . "02/20/2009" is the date representation only in en_US locale. "02-20-2009" is not, thus assumed to follow a standard. There are two popular standards, used most everywhere except for the US: DD-MM-YYYY or the ISO 8601, which is YYYY-MM-DD.
http://en.wikipedia.org/wiki/File:Date.png

Java Date Format that allows - / or . as separators within date


Tag : java , By : wpoch
Date : March 29 2020, 07:55 AM
hope this fix your issue It's probably easiest to "tweak" the source string into a canonical format:
if (text.length() == 16)
{
    if ((text.charAt(2) == '/' && text.charAt(5) == '/') ||
        (text.charAt(2) == '.' && text.charAt(5) == '.'))
    {
        text = text.substring(0, 2) + "-" + text.substring(3, 5) 
           + "-" + text.substring(6);
    }
}

Parsing an ISO 8601 date in Java8 when all fields (including separators, but not including years) are optional


Tag : java , By : Kyle
Date : March 29 2020, 07:55 AM
it helps some times Well that took me longer than I had expected. The only valid parser is:
DateTimeFormatter dtf = new DateTimeFormatterBuilder()
        .appendValue(ChronoField.YEAR, 4)
        .appendPattern("[['-']MM[['-']dd[['T']HH[[':']mm[[':']ss['.'SSS]]]]]]")
        .parseDefaulting(ChronoField.MONTH_OF_YEAR, 1)
        .parseDefaulting(ChronoField.DAY_OF_MONTH, 1)
        .parseDefaulting(ChronoField.HOUR_OF_DAY, 0)
        .parseDefaulting(ChronoField.MINUTE_OF_HOUR, 0)
        .parseDefaulting(ChronoField.SECOND_OF_MINUTE, 0)
        .parseDefaulting(ChronoField.NANO_OF_SECOND, 0)
        .toFormatter();

String[] s = {
        "2018",
        "2018-10",
        "2018-10-15",
        "2018-10-15T12:00",
        "2018-10-15T12:00:30",
        "2018-10-15T12:00:30.123",
        "20181015",
        "201810151200",
        "20181015120030",
        "20181015120030.123",
        "20181015T12:00:30.123"
};
for (String line : s) {
  System.out.println(LocalDateTime.parse(line, dtf));
}

Local date parsing not working without separators


Tag : java , By : James Dio
Date : March 29 2020, 07:55 AM
I hope this helps you . You can use appendValue
LocalDate.parse(
                "201804",
                new DateTimeFormatterBuilder()
                        .appendValue(YEAR, 4)
                        .appendValue(ALIGNED_WEEK_OF_YEAR, 2)
                        .parseDefaulting(WeekFields.ISO.dayOfWeek(), 1).toFormatter()
        );

Parsing an date/time string with std::get_time needs separators?


Tag : cpp , By : picamiolo
Date : March 29 2020, 07:55 AM
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