第四城的角落

;} 数值 /*这个属性似乎有用，多实践下*/对齐 {text-align: justify;}(两端对齐) left;(左对齐) right;(右对齐) center;(居中)缩进 {text-indent: 数值px;}垂直对齐 {vertical-align: baseline;}(基线) sub;(下标) super;(下标) top; text-top;middle; bottom;...

 ^.{0,100} $ 关于字符在100以内的字 ^(\\\\(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])(\\([\u4e00-\u9fa5]*)(\w*...