/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
String someString
= "CC23QQ21HD32"; String regex
= "((?<=[a-zA-Z])(?=[0-9]))|((?<=[0-9])(?=[a-zA-Z]))"; }
}
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