TextField Validation

RE: TextField Validation

juniorgilbertod836127 — Wed, 24 Sep 2025 15:29:29 GMT

se puede realizar la validación por medio de expresiones regulares con la función:

a!matchRegex(a!matchRegex(
pattern: "^[0-9]{10}$", /* Solo números de 10 dígitos */
value: "3214567890"value: "3214567890"
))

RE: TextField Validation

osanchea — Fri, 19 Sep 2025 18:53:29 GMT

Hi. You could try this:

a!localVariables(
  local!test,
  {
    a!columnsLayout(
      columns: {
        a!columnLayout(
          contents: {
            a!textField(
              label: "Text",
              labelPosition: "ABOVE",
              value: local!test,
              saveInto: {
                local!test
              },
              refreshAfter: "UNFOCUS",
              validations: {
                if(
                  regexmatch(
                    pattern: "^[a-zA-Z]+$",
                    searchString: local!test
                  ),
                  null,
                  "Only alphabetic letters (A–Z) are allowed."
                )
              }
            )
          }
        ),
        a!columnLayout(
          contents: {}
        ),
        a!columnLayout(
          contents: {}
        )
      }
    )
  }
)

RE: TextField Validation

Mike Schmitt — Fri, 19 Sep 2025 15:34:46 GMT

e.g.

RE: TextField Validation

Mike Schmitt — Fri, 19 Sep 2025 15:20:31 GMT

you probably want to utilize the "clean()" function, which strips any nonprintable characters from input text. If you wish to STRICTLY only support letters (not numbers, not anything else), then you can pivot to "cleanWith()", which allows you to set the list of acceptable characters.

Using this you can then choose between 2 methods:

easiest, sanitize the user's input as they input it. don't bother with validaiton at all.
instead, you could use the funciton in your validation, and check whether the input string is different from the string when invalid characters are removed, and if so, show a validation message.