Hey all, so I'm trying to allow some text input which goes through a regex check before it's sent off. I want the text to only include A-Z, 0-9, and the space " " character. Here is my code now:Hey all, so I'm trying to allow some text input
阅读背景：
正则表达式允许Java中的空格字符
来源：互联网
分享到：
