Java regular expression to extract the required characters and put them into the array [ArrayList array de duplication function]

This example describes the implementation of Java regular expression to extract the required characters and put them into the array. Share with you for your reference, as follows:

Here is a demonstration of the Java regular expression to extract the required characters and put them into the array, that is, the ArrayList array to repeat.

The specific codes are as follows:

The output result is:

Improved version: make a bean:

PS: here are two very convenient regular expression tools for your reference:

JavaScript regular expression online test tool: http://tools.jb51.net/regex/javascript

Regular expression online generation tool: http://tools.jb51.net/regex/create_reg