diff options
Diffstat (limited to 'user_guide_src/source/libraries/form_validation.rst')
| -rw-r--r-- | user_guide_src/source/libraries/form_validation.rst | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/user_guide_src/source/libraries/form_validation.rst b/user_guide_src/source/libraries/form_validation.rst index da43a4bec..fa50c6dcf 100644 --- a/user_guide_src/source/libraries/form_validation.rst +++ b/user_guide_src/source/libraries/form_validation.rst @@ -327,15 +327,15 @@ can also prep your data in various ways. For example, you can set up rules like this:: $this->form_validation->set_rules('username', 'Username', 'trim|required|min_length[5]|max_length[12]'); - $this->form_validation->set_rules('password', 'Password', 'trim|required|md5'); + $this->form_validation->set_rules('password', 'Password', 'trim|required|min_length[8]'); $this->form_validation->set_rules('passconf', 'Password Confirmation', 'trim|required|matches[password]'); $this->form_validation->set_rules('email', 'Email', 'trim|required|valid_email'); In the above example, we are "trimming" the fields, checking for length -where necessary and converting the password to MD5. +where necessary and making sure that both password fields match. **Any native PHP function that accepts one parameter can be used as a -rule, like htmlspecialchars, trim, md5, etc.** +rule, like ``htmlspecialchars()``, ``trim()``, etc.** .. note:: You will generally want to use the prepping functions **after** the validation rules so if there is an error, the @@ -946,6 +946,7 @@ Rule Parameter Description ========================= ========== ============================================================================================= ======================= **required** No Returns FALSE if the form element is empty. **matches** Yes Returns FALSE if the form element does not match the one in the parameter. matches[form_item] +**regex_match** Yes Returns FALSE if the form element does not match the regular expression. regex_match[/regex/] **differs** Yes Returns FALSE if the form element does not differ from the one in the parameter. differs[form_item] **is_unique** Yes Returns FALSE if the form element is not unique to the table and field name in the is_unique[table.field] parameter. Note: This rule requires :doc:`Query Builder <../database/query_builder>` to be |