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matthung0807/regexDemo5.java

Created August 2, 2017 09:00
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regexDemo5.java
String str1 = new String("hello world");
String str2 = new String("world hello");
String str3 = new String("the world wryyyy");
String regex = "^(?!.*hello)";
Pattern p = Pattern.compile(regex);
System.out.println(p.matcher(str1).find()); // false
System.out.println(p.matcher(str2).find()); // false
System.out.println(p.matcher(str3).find()); // true
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