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Validate field with Regular Expression

  1. Muhammad Mustafa
    Member

    I want to validate 2 fields within my form with Regular Expression
    I searched the forum and found some posts that are not clear enough about how to do it, so please give me a "clear" steps on how to validate a specific text input field with my Regular Expression using hooks/filters or whatever it takes, clearly, which part of the code put where?!
    Thanks,

    Posted 11 years ago on Wednesday May 11, 2011 | Permalink
  2. To do custom validation on a field you use the gform_validation hook.

    You can find documentation for the gform_validation hook here:

    http://www.gravityhelp.com/documentation/page/Gform_validation

    A tutorial on how to use the gform_validation hook to write custom validation can be found here:

    http://www.gravityhelp.com/documentation/page/Using_the_Gravity_Forms_%22gform_valiation%22_Hook

    Posted 11 years ago on Wednesday May 11, 2011 | Permalink
  3. Muhammad Mustafa
    Member

    Thanks Carl, it worked for me :)
    Now, another tiny question...
    I am using conditional logic for some fields within my forms its easy and works great, only one case I can't achieve with gravity where:
    - Field A is a radio button with 2 choices
    - Field B is a drop down menu with 4 values
    - Field C is a text input shows ONLY IF (Field A = Choice1) AND (Field B = value1 OR value2 OR value3)
    - Field D is a text input shows ONLY IF (Field A = Choice1) AND (Field B = value4)
    I can get the Field D to work probably but not Field C hence the lake of 'OR' ability in the conditional logic with gravity, am I missing anything here? is there anyway to do it?

    Posted 11 years ago on Thursday May 12, 2011 | Permalink
  4. Conditional Logic doesn't currently support OR type functionality. It only supports basic conditionals.

    Posted 11 years ago on Thursday May 12, 2011 | Permalink
  5. Muhammad Mustafa
    Member

    Bad news :(
    Thanks anyway Carl, I'll work in a workaround, just put it in your To-Do Features list, gonna be awesome to see such a function in Gravity... Kindly mark this thread as answered and close it, no more question here for now :)

    Posted 11 years ago on Friday May 13, 2011 | Permalink

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