Regex to extract first two numbers of a date [closed] - mysql

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I have date written like this : 01/12/2013 -- how can I display only the first two letter using REGEXP. Thanks

You could use SUBSTRING_INDEX function instead of a regexp:
SELECT SUBSTRING_INDEX(column, '/', 1)
FROM yourtable

You can also use LEFT function
SELECT LEFT(datecol,2) FROM `table`
Demo

Related

Regular expression for multiple of 100 [closed]

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Can anybody provide me regular expression for multiple of 100.
we want to validate value in multiple of 100 .
Regards,
Pradeep
I'd use this:
^[1-9]+[0-9]*00$
First number must be from 1 to 9, then any number of random digits, and it must end in two 0's.
In future looking up a bit of regex would be a good first step, this is very very simple and can be worked out (even by a complete novice) in very little time.
what about this
([0-9]*00)|0
you can check above expression here

Alternative for <input type = time>? [closed]

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I was in need of an input of type time where users need to enter 'from' and 'to' times and I found this
<input type="time">
but it won't work in firefox , ie etc.. ( as you all know)
So is there any way to implement something similar to this in my time input field where user can select time ( hour: min :AM/PM)
I am a newbie ( with my first website) and this is my first question here.. pls consider
thank you
Try jquery time picker, i always this one
http://pttimeselect.sourceforge.net/example/index.html
If you want something very simple then try
http://keith-wood.name/timeEntry.html
this one is similar to <input type="time">

query explode multiple values in one column [closed]

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I need your help. I have 2 table.
1.company_classifications
company_name-classifications
Company A-1,2,3
Company B-1,2
2.classifications
id-name
1-Music
2-Technologi
3-Food
I need query for result like this :
company_name-classification_name
Company A-Music, Technologi, Food
Company B-Music, Food
select cc.company_name,group_concat(c.name)
from company_classifications cc
inner join classifications c
on c.id = find_in_set(c.id,cc.classifications)
group by cc.company_name;
fiddle

MySQL - Update images name in database from .jpg to .png [closed]

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I need help in updating my database,
I have a column named 'questionLink' in table 'question'
which contains names of the images, (image1.jpg, image2.jpg, image3.jpg)
there are 100s of images, and i have to remane with .png extension...
I firstly trying to show the records with this query, which is no way near to the solution.
SELECT * FROM question WHERE "questionLink" LIKE '%.jpg%'
Any help will be appriciated.
Thanks
Are you looking for something like this?
UPDATE question
SET questionLink = REPLACE(questionLink, '.jpg', '.png');
Here is SQLFiddle demo
Further reading REPLACE()

Is HTML allowed in objects description? [closed]

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This question does not appear to be about programming within the scope defined in the help center.
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Is it possible to use HTML tags in objects description, like links? I am trying to post a link on the wall with my app but it skips HTML stuff.
With regard to your question - no. You can't use HTML tags at all when posting data to Facebook.