如何在Java中的方括号中仅允许两个字母 [英] How to allow only two letters in square bracket in java

问题描述

如何在Java中的方括号中仅允许两个字母
例如:[AB]这样，我需要给.

How to allow only two letters in square bracket in java
Eg : [AB] like this i need to give .

推荐答案

假设您只想介绍一个[@@](其中@@是两个字母).是吗?

看一下这些链接: http://www.java2s.com/Tutorial/Java/0240__Swing/FormattedMaskedInputnewMaskFormatter.htm [ ^ ]
http://www.java2s.com/Code/Java/Swing-JFC/JFormattedTextFieldaninputmaskforatelephonephone.htm [ ^ ]

您有兴趣搜索输入掩码"或编辑掩码".

祝你好运！

Assuming that you want to be able to introduce only a [@@] (where @@ are two letters) inside an edit box. is that right?

Take a look at those links: http://www.devdaily.com/java/jwarehouse/eclipse/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/mask/EditMask.java.shtml[^]
http://www.java2s.com/Tutorial/Java/0240__Swing/FormattedMaskedInputnewMaskFormatter.htm[^]
http://www.java2s.com/Code/Java/Swing-JFC/JFormattedTextFieldaninputmaskforatelephonenumber.htm[^]

You are interested on searching for a "INPUT MASK" or "EDIT MASK".

Good luck!

这篇关于如何在Java中的方括号中仅允许两个字母的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！