Java tutorial
//package com.java2s; public class Main { public static boolean isValidSaveName(String fileName) { int len = fileName.length(); for (int i = 0; i < len; i++) { char c = fileName.charAt(i); if (c == '\\' || c == ':' || c == '/' || c == '*' || c == '?' || c == '"' || c == '<' || c == '>' || c == '|' || c == '\t' || c == '\n') { return false; } } return true; } }