Ví dụ đơn giản về Regular Ex

Rob Bamforth's Blog

How to check for a valid email address string.

Example Code:

String email = “test@test.com”;
Pattern p = Pattern.compile(“.+@.+\\.[a-z]+”);
Matcher m = p.matcher(email);
boolean matchFound = m.matches();

if(matchFound){
System.out.println(“EMAIL OK”);
}else{
System.out.println(“EMAIL ERROR”);
}

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