The field area Form Regex-
What does this do? How is it used? What is the correct syntax?
Thanks-

It is the validation test for allowable data in those fields.

For instance, it can make sure a date is formatted, or a field contains only numbers, or at least n characters. It's any valid regex (regular expression). It's the "pattern" part and it's passed into perl to check.

PUGDOG®
PUGDOG® Enterprises, Inc.
FAQ: http://pugdog.com/FAQ

How would a telephone number be checked in the regex? I mean what are the placeholders for letters or numbers? As in 000-000-0000? Or an email address like name@name.com?

I wish there was more complete docs available

There is, it's called "Mastering Regular Expressions",
http://postcardsportal.com/...es/Detailed/466.html

If you intend to do anything non-trivial with regexes you _NEED_ this book!

As for specific examples, many of these issues have been discussed in the Links SQl forum, and in the PERL forum. This is "pure perl", and has nothing specific to do with Links SQL. You can search here for 'regex' or 'regular expression' to find them.

I really do need to add all the books to the FAQ site.

PUGDOG®
PUGDOG® Enterprises, Inc.
FAQ: http://pugdog.com/FAQ

Thanks-
Life is a learning process...

I also neeed to update the descriptions, looks like the prices changed since Imported them last...

soo much to do.... sooooo little time.

PUGDOG®
PUGDOG® Enterprises, Inc.
FAQ: http://pugdog.com/FAQ

Pugdog,

Question on Regex:

Can this field only be used for validation or can I also use this regex expression to parse the data in a field?

i.e. If I'd want to replace all /n line ends in a text field with a <BR> tag, can I do it from here? When do these regex expressions get applied? Before the data is written to the database or when it get's called to build the page?

Safe swoops
Sangiro
http://www.dropzone.com/

I'm pretty sure this must have been answered before but I can't seem to find it through a search. I'm looking for a simple regex that will check for numbers only. [0-9]

Safe swoops
Sangiro

Something like this maybe?

^\d+$

That should match only digits.

Cheers

Andy (mod)
andy@ultranerds.co.uk

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Thanks Andy!

One more question: How do I change this to allow for number only or no data at all. I don't want to force people to fill in this field (which the regex above does) but if they do choose to fill it in, it needs to be numbers only.

Safe swoops
Sangiro

I'd like to know that too :)

I'm sure it has something to do with a : and ? in the front .. but I can't remember (been a while since I used that feature, and now I can't find the documentation on that particular feature ).

Cheers

Andy (mod)
andy@ultranerds.co.uk

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What about to give a JScript a chance?

Just mu 2 cents

zaaron

---------
GetLokal Reviews

^\d*$

* should allow for 0 or more numbers where as + allows for 1 or more numbers.

heheh... I never said I was good at Regex (still learning, as we all are).

Cheers

Andy (mod)
andy@ultranerds.co.uk

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Excellent. Thank Laura.

Safe swoops
Sangiro