reference
: [/ U4E00- / U9FA5] {2,5} | (^ [A-ZA-Z] [/ s.]? ([A-ZA-Z] [/ s.]?) {0,4 } [A-ZA-Z] $)
Conditions: 1. You can only enter Chinese or English 2. Chinese: 2-5 Chinese characters, 3. English: unlimited case, can be spaced or "." The interval, the spacer is not more than 5 times, can not be continuous, the first end must be letter. It should comply with the general English name format. (In Windowxp, .Net1.1) Interested netizens, please improve, I still want to add a limit to the number of English.
