import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.*;
class Ideone
{
{
List
<String
> strs
= Arrays.
asList("*123#",
"*1*2*3#",
"*1#23#",
"***123###",
"*12**3#"); Pattern pat = Pattern.compile("(?:\\*\\d+)+#");
System.
out.
println(str
+ ": " + pat.
matcher(str
).
matches()); }
}
}
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