Validate SSN

RE: Validate SSN

Mike Schmitt — Fri, 03 Jun 2022 18:05:33 GMT

[quote userid="110874" url="~/discussions/f/user-interface/24791/validate-ssn/95920#95920"]after entering numbers. can we do that??[/quote]

Can you do what?

RE: Validate SSN

Chaitra R — Fri, 03 Jun 2022 07:13:58 GMT

[quote userid="50400" url="~/discussions/f/user-interface/24791/validate-ssn/95876#95876"]which you might want to eventually include -[/quote]

how this will be achieve in appian

for example: 345 - 34 -5467

After entering 345 "-" should populate automatically before entering next number

RE: Validate SSN

Chaitra R — Fri, 03 Jun 2022 07:03:33 GMT

Okay!! Thank you Mike

RE: Validate SSN

Mike Schmitt — Thu, 02 Jun 2022 15:06:13 GMT

Appian uses relatively standard Java Regex syntax - there are plenty of tutorials and primers available externally. Here's one I keep bookmarked for a quick reference every time I need to brush up and try to accomplish something new within Appian: www.vogella.com/.../article.html

RE: Validate SSN

Shikha — Thu, 02 Jun 2022 15:02:44 GMT

Hi Mike,

On the Similar note , can you please explain the symbols being used in regex functions? I am referring to the below link but this doesn't explain greatly on the use of The cap symbol (^) and the dollar one and the brackets . It'll be really helpful if you can explain a bit on those by any example.

https://community.appian.com/b/appmarket/posts/regular-expression-functions

RE: Validate SSN

Mike Schmitt — Thu, 02 Jun 2022 14:39:35 GMT

Second, "regexMatch" expects at least 2 parameters, pattern then search string. You're only passing in the pattern, and then your search string is not even included in the function call.

The correction to this is fairly simple:

regexmatch(
  "^\d{3}-\d{2}-\d{4}$",
  ri!ssn
)

...which seems to work fine per what you're after. Please note also that "regexMatch()" returns values of TRUE or FALSE, so you'll want to only show your validation message when the match operation returns a FALSE.

(When you have this part down, I'd note that there are some heuristic validations for SSN's which you might want to eventually include - such as, no section of the SSN is allowed to be all zeros, the first digit can't be "9", etc.)

2/2

RE: Validate SSN

Mike Schmitt — Thu, 02 Jun 2022 14:34:39 GMT

Your expression is not formatted correctly.

First, "validations" expects one or more strings. These strings will be shown as [failed] validation message(s) anytime they're present - meaning you would need to show the strings conditionally, something like this:

validations: {
  if(
    [validation failure condition #1],
    "Validation Message 1",
    {}
  ),
  if(
    [validation failure condition #2],
    "Validation Message 2",
    {}
  ),
  [etc]
}

RE: Validate SSN

Chaitra R — Thu, 02 Jun 2022 13:45:47 GMT

i am creating a form. user needs to fill the ssn field. if he enters other than this ###-##-####, it should throw validation message.

i am not sure, but am using like this:

validations: {regexmatch("^\d{3}-\d{2}-\d{4}$"),ri!SR_Test.ssn}

its showing an error "Unexpected number of parameters"

RE: Validate SSN

Mike Schmitt — Thu, 02 Jun 2022 13:38:47 GMT

You can use regex pattern matching in any place you'd use other expression logic. In this case, Stefan is referring to using it in the text field's "validations" parameter.

RE: Validate SSN

Chaitra R — Thu, 02 Jun 2022 13:34:26 GMT

can we use regex in a!textfield()

RE: Validate SSN

Stefan Helzle — Thu, 02 Jun 2022 12:56:44 GMT

I think this would be a good case for the regular expression plugin.

RE: Validate SSN

laurensw — Thu, 02 Jun 2022 12:31:47 GMT

Without going ahead and creating the expression for you - I suggest creating an expression rule that checks the text value on length, structure (certain character types at certain indexes) using text functions, and returns a boolean output always.