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Matcher
Validate Date with Java Regular Expression example
In this tutorial we are going to see how to validate date format with Java Regular Expressions.The basic policy about…
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Matcher
Validate Time In 24 Hours Format with Java Regular Expression example
In this tutorial we are going to see how to validate 24 Hours time format with Java Regular Expressions.The basic…
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Matcher
Validate Time In 12 Hours Format with Java Regular Expression example
In this tutorial we are going to see how to validate 12 Hours time format with Java Regular Expressions.The basic…
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Matcher
Validate IP Address with Java Regular Expression example
With this example we shall show you how to validate the format of ip addresses using Java Regular Expression. The…
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Matcher
Validate Email Address with Java Regular Expression example
Email validation is a very frequent requirement in many applications. Basically the main policy that email format follows is that…
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Matcher
How To Validate Hex Color Code With Regular Expression
In this tutorial we are going to see how to create a simple application that validates Hexadecimal Color Codes. The…
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Matcher
Validate Password with Java Regular Expression example
In the previous tutorial on username validation we explained why input validation is important for your application’s security and data…
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Matcher
Validate Username with Java Regular Expression example
When you are writing an application that requires authentication, in most cases, the users should provide a username among other…
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JSON.Simple
JSON.Simple Example to read and write JSON in Java
In this example we are going to see a very nice JSON framwork, JSON.simple. In this tutorial we are going…
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GsonBuilder
Enable Pretty Print JSON Output using Gson example
In this example we are going to see how to enalbe pretty printing in JSON. As you might have noticed…
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