using regular expression in Java

Posted by Mrityunjay on Stack Overflow See other posts from Stack Overflow or by Mrityunjay
Published on 2010-05-17T13:36:53Z Indexed on 2010/05/17 13:40 UTC
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regex

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java

Hi, i need to check a string that should contain only ABCDEFG characters, in any sequence and with only 7 characters. Please let me know the correct way of using regular expression.

as corrently i am using

String abs = "ABPID";
if(!Pattern.matches("[[ABCDEFG]", abs))
System.out.println("Error");

i am using the following code which works when i use the String abcdefg but for other cases it fails. please help me out.

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