node -e 'console.log(- -1)'prints 1 which makes senseHowever:node -e 'console.log(1

I'm trying to create a regex that will match only when the string has anything but alphas, spaces,

How to remove everything but:letters, numbers, spaces, exclamation marks, question marks from a string?

i am running membership site. any one can registered on my site. i want to disallow special characters(ie:!@#$%^&*),

今天在公司服务器上部署的一套后台系统突然不能使用了，上服务器看了一下，控制台打印了如下错误信息： java.SocketException: No buffer space