card validator

This article mainly introduces how to judge the results of the validator. Here, let's look at how to implement a custom validator. Goal We want to implement a verification of the phone number of the validator, the use of the example or based on the previous article inside the example, that is, the user information entered the form page. We add a

url;10. Phone number;11. currency;12. Mobile phone number;13. Zip code;14. ID card number (1.05 enhanced );15. QQ number;16. date;17. password that complies with security rules;18. duplicate value of an item;19. Comparison of the two numbers;20. Determine whether the input value is in the (n, m) interval;21. length limit of input characters (can be compared by byte );22. selection and determination of Single-choice buttons with the same name;23. rest

following is the JS code: BootStrap Validator has already defined a number of authentication methods, each of which uses the following: http://bv.doc.javake.cn/validators/ Several of them are commonly used, mention, actually a look on understand, very good understanding: Third, advanced application If you do not want to use the default template, you can use the following methods to do some custom validation Callback Way, API address: h

In a Web application, it is necessary for the user to submit form data in order to ensure the validity of the data, and the validation of the foreground client, such as JavaScript, is not always secure and reliable, so we need a robust background validation framework to handle this problem. Fortunately, Java has released the JSR-303 interface standard, and there are many vendors that implement this standard, and the Hibernate Validator Verification fr

web| Form Validation | The validation of the program form has been a headache for web designers, and the form validation class validator is written to address this problem, designed to liberate designers from complex forms validation and focus on web design and functional improvements. Validator is a custom property of a pseudo static class and object based on JavaScript technology, which validates the form

I. Advantages of the validator framework The validator framework is a struts plug-in that was originally designed and implemented by David Winterfeldt. The validator framework was available from the Struts 0.5 era, but at that time the validator framework was just a donated jar package. To make it easier for developer

HTML validator is an extension of Firefox. It is used for offline HTML syntax error checks. After installation, it can display in real time whether the compiled webpage meets the web standards. HTML validator (for Windows ): Https://addons.mozilla.org/zh-CN/firefox/addon/249 On Ubuntu 10.04, HTML validator is installed on Firefox 3.6 and cannot be use

The example in this article describes the validator validation extension usage in Laravel4. Share to everyone for your reference, specific as follows: Whether you write the interface or write a Web page, the essence is passed in the parameters, and then the business logic, and then output the specific content. Therefore, the verification of the parameters is an inevitable link, such as the transmission over the email is not empty, is not a legitimate

This example describes the Yii core Validator API. Share to everyone for your reference, specific as follows: Core Validator Cores validators Objective YII provides a series of Common Core validators that you canFound in Yii\validators namespace. Instead of using long validator class names, you can replace them with aliases. For example, you can use the alias

])" $/", $str); } function Is_chinese ($STR) { Return Ereg ("^[". Chr (0XA1). " -". Chr (0xFF)."] +$ ", $STR); } function Is_english ($STR) { Return Preg_match ("/^[a-za-z]+$/", $str); } function Is_mobile ($STR) { Return Preg_match (/^ (\d{3}\) | ( \d{3}\-))? 13\d{9}$/", $STR); } function Is_phone ($STR) { Return Preg_match (/^ (\d{3}\) | ( \d{3}\-))? (\ (0\d{2,3}\) |0\d{2,3}-)? [1-9]\d{6,7}$/", $STR); } function Is_safe ($STR) { Return (Preg_match ("/^" ([a-z]*|[ a-z]*|\d*| [-_\~!@#\$%\^\*\.\

Validator is a verification component in the jfinal framework. It provides common verification methods in the validator class, And validator implements the interceptor interface. Therefore, validator is equivalent to an interceptor. The specific usage is as follows: For example, when logging on, check whether the user

The struts2 framework system has registered a built-in checker. You can open the xwork under the Lib package of struts2. jar package, find a default under the COM/opensymphony/xwork2/validator/validators directory. xml configuration file, which defines the built-in checker of the struts2 framework.From the struts2 configuration file, we can see that struts2 has the following built-in Checker:1 required: required. The field must have a value.Fieldname:

The predefined validation of the validator framework (the version number of struts is 1.2.9) is listed below. Validator Variable Raising conditions Required field only spaces Validwhen Test Test condition failed (see next section) MinLength MinLength The number of characters in the field is less than minlength MaxL

In the development and construction of PHP Web site, user registration, message is an essential function, the user submitted information data are submitted through form form, in order to ensure the integrity of the data, security, PHP form form verification is the first link to filter data, PHP to form the data submitted to verify the various ways, Early in the general use of JavaScript to verify PHP forms, with the advent of the WEB2.0 era, taking into account the user experience, using the jqu

Why is it difficult to use the validate () method of actionform to verify user input data before validator is available? 1.The validator framework comesPrepackaged with several validation routines, making the transition fromHard-coded validation logic painless. (what isHard-coded validation logic? Is it that programmers do not have to write codeLine by line to perform validation ?) Instead of coding validat