Field Validation

Formkl support parsing a set of condition with or and and operators in valid conditional expression

bash

["require"] ... valid([CONDITION]) regex("[REGULAR EXPRESSION STRING]")

Required field

bash

require "Your name" text;

With logical expression

bash

"Grade" number valid(< 12 and >= 1 or == 15);

With regular expression

bash

"Note" paragraph regex("[A-z0-9]");

For field with text type, condition with numeric comparison takes the length of the string as compared value (This is executed by the adapter)

bash

"Short answer" text regex("[A-z0-9]") valid(< 256);

Field Validation #