Validate Data action and settings

It's been asked before but never properly answered : what are the available options in the Validate Data action? After browsing through the code, here you are.
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NOTE: Rules that require a parameter in square brackets require version 6.0.22 or higher.
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HOW TO USE:

fieldname/rule:Message if the validation fails
or
fieldname/rule[parameter]:Message if the validation fails

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is_integer : Checks if the value is positive or negative whole number e.g. 123 or -123
decimal : Positive or negative number with REQUIRED decimal point, e.g. 123.45
number : Positive or negative number with OPTIONAL decimal point e.g. 123 or 123.45
match[value] : Does the field match the value? Uses == not ===
different[value] : Is the field NOT equal to the value? Uses != not !==
regex[pattern] : Does the field match the regex pattern? E.g. text/regex[/#^\d{4}$#/]:regex failed! Will show "regex failed!" if the user doesn't enter 4 digits into the 'text' field
contains[value] : Does the field CONTAIN the value? Case insensitive
containsExactly[value] : Does the field contain the value? Case sensitive (capitalisation has to match)
doesntContain[value] : Self explanatory surely? Case insensitive
doesntContainExactly[value] : Same, but case sensitive
minLength[x] : Has to have at least x characters
exactLength[x]
maxLength[x]
minCount[x] : For arrays or selections, e.g. did they select at least X options?
exactCount[x]
maxCount[x]
alpha : Letters only
alphanumeric : Letters and numbers only
nodigit : I assume it means no numbers? The regex is /^[^0-9]+$/
phone : Don't know what country this phone pattern is for. /^\+{0,1}[0-9 \(\)\.\-]+$/
phone_inter : I assume this is for international numbers of some sort. /^\+{0,1}[0-9 \(\)\.\-]+$/

hi
i'm trying to use validation fields with regex in my field "conferma_password" (a confirm password field)
i want a password that have at least : 1 uppercase, 1 lowercase, 1 number, min 8 and max 15 characters
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field conferma_password
in regex i put
/^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)[A-Za-z0-9]{8,15}$/
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in Matches i put "password" (without quotes) that is the name of the other field that must match.
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in validation rules i put
conferma_password/regex[/^(?=.*[A-Z])[a-zA-Z0-9]{8,15}$/]:almeno una lettera maiuscola (no uppercase)
conferma_password/regex[/^(?=.*[a-z])[a-zA-Z0-9]{8,15}$/]:almeno una lettera minuscola (no lowercase)
conferma_password/regex[/^(?=.*\d)[a-zA-Z0-9]{8,15}$/]:almeno un numero (no numbers)
conferma_password/minLength[8]:minimo 8 caratteri (min 8 char)
conferma_password/maxLength[15]:massimo 15 caratteri (max 15 char)
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Everytime it displays the first error message (tried changing position of the messages but it display the first in any case)
i've tried to put the "not" using the ! in this way
conferma_password/regex[/^(?!.*[A-Z])[a-zA-Z0-9]{8,15}$/]:almeno una lettera maiuscola (no uppercase)
but nothing
i tested regex online and the regex field and the validation rules are correct
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where i fail?
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thank you

I don't think you can have the same rule multiple times for the same field buddy. And even if you could, I don't think combining 3 regexs is the way to go, surely?

If i put only the regex in the regex field it works ok, but in this way i can't show different messages for every portion of the regex (uppercase error, lowercase error etc.)
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If i can't use more regex in the validation rules field, i'm chained to the rules defined (contains, containsexactly etc.)
The regex give the flexibilty i need.
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Is there a way to use it one per row in validation rules field?
Or better is there a way to combine, for example, containexactly with regex syntax?
confirm_password/containsExactly[regex[/^(?=.*[A-Z])[a-zA-Z0-9]{8,15}$/]]:no uppercase character foundconfirm_password/
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or this?
confirm_password/containsExactly[A-Z]:no uppercase character found

Just do it in PHP man that's all too complicated. Return a message if there's a problem, then check if the {var:phpblockname} is not empty and display the message.

OK but i want it in real time:
when the user digit i want to show what are the needings remaining to be a password validated, in this way:
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if he type an "A" i give a message (tooltip?) that say "1 lower case needed, 1 number neeeded, min 8 max 15"
if he type "Ab" i give a message that say "1 number neeeded, min 8 max 15"
and so on checking all the conditions
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i think i need a function in JavaScript that send back a message that is the sum of errors
now, i think i have to use the field Event!!???!!??
TAB Events -> Triggering event : Change
TAB Events -> Triggered actions : function
Possible values, one per line : the name of the function block in javascript ???????????
Affected elements CSS selectors, example: #id, name, .class ????????????????????

Javascript then. Multiple functions. Check faq