core java
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regex
Matcher start example
In this example we shall show you how to use Matcher.start() API method to get the start index of the…
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regex
Java Matcher find Demonstration
With this example, we are going to demonstrate how to use Java Matcher find() API method to find subsequences of…
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regex
Matcher reset example
This is an example of how to use Matcher.reset() API method to reset a Matcher, by discarding all of its…
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regex
Back references example
In this example we shall show you how to use Matcher.replaceAll(String replacement) API method to replace every subsequence of an…
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regex
Matcher.appendReplacement example
With this example we are going to demonstrate how to use Matcher.appendReplacement(StringBuffer sb, String replacement) API method to append to…
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regex
Matcher groupCount example
In this example we shall show you how to use Matcher.groupCount() API method to get the number of capturing groups…
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regex
Matcher group example
This is an example of how to use Matcher.group(int group) API method to get the input subsequence captured by the…
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regex
Match address using regular expressions
This is an example of how to match an address using regular expressions. We have created a method boolean isValidAddr(String…
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regex
Regular expressions for IP v4 and IP v6 addresses
In this example we shall show you how to check if an address is an IPv4 or IPv6 address, using…
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regex
Swing GUI application for regular expression testing
This is an example of how to create a Swing GUI application for regular expression testing. The application creates a…
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