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Usually this refers to a text pattern we can use to validate if the data that a user entered through a web form is correct.
No one would say that an email address without the '@' symbol is correct.
No one would say that a person's name can be composed solely by numbers, e.g.: 12345678
There are some text patterns we can use to prevent an unaware or even malicious user from introducing invalid data in web forms.
Probably all modern high-level programming languages have built in pattern management functions or objects, although I have only used the ones from .NET, PHP and JAVA, apart from POSIX commands (the worst ones, although sometimes simpler to use).
You can take a look at your favourite high-level programming language documentation to get more information about patterns.
What else can I help you with?
What are the five main types of validation checks?
types of validations are: required field validation range validation pattern matching validation database specific validation numeric validation
What is theDifference between concurrent and prospective validation in pharmaceutical?
If a validation study is conducted before placing a product in the market, then it is called prospective validation. If a product is placed on the market during the validation study, it is called as concurrent validation.
What is design validation?
What is design validation in quality management system
What is the message that will appear if a user violates a validation rule?
validation text
Who should perform the validation test?
Developer perform the validation test
What is code validation in Matlab and Simulink?
i want to do validation to my image folder
How do you add of a validation rule?
You can add a validation rule to a field in your table's Design View. Select your field in Design View and look for the Validation Rule field at the bottom of the screen. This is where you can enter a validation rule for your field.
A sentence with validation?
You need to insert your EMail address for security/validation purposes
Why do we need data validation?
In order to conduct a research data validation is very necessary. Without the authentic data validation research is incomplete and worthless.
What is batch validation in clinical data management?
batch validation is a programmed validation to achieve valid data. its done after data entry and before data cleaning. batch validation can be over night process or day process.
What is a validation decal?
my validation decal on my car license has 3/11 how long do i have to replace it?
How can you use validation in a sentence?
The figures needed validation before the accounts could be done.
