/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
String str
= "this is#test_ :"; Pattern ptrn = Pattern.compile("\\P{Alnum}(test)\\P{Alnum}");
Matcher matcher = ptrn.matcher(str);
while (matcher.find()) {
System.
out.
println(matcher.
start(1)); }
}
}
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