java字符串含有特殊字符_[Java教程]判断输入的字符串是否含有特殊字符和表情_星空网...

判断输入的字符串是否含有特殊字符和表情

-07-27

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reg = /[~#^$@%&!?%*]/gi;

if (reg.test(postdata.Name.trim())) {

alert("姓名不能含有特殊字符");

} else {

if (isEmojiCharacter(postdata.Name.trim())) {

alert("姓名不能含有表情");

} else {

//自己的代码

}

}

function isEmojiCharacter(substring) {

for (var i = 0; i < substring.length; i++) {

var hs = substring.charCodeAt(i);

if (0xd800 <= hs && hs <= 0xdbff) {

if (substring.length > 1) {

var ls = substring.charCodeAt(i + 1);

var uc = ((hs - 0xd800) * 0x400) + (ls - 0xdc00) + 0x10000;

if (0x1d000 <= uc && uc <= 0x1f77f) {

return true;

}

}

} else if (substring.length > 1) {

var ls = substring.charCodeAt(i + 1);

if (ls == 0x20e3) {

return true;

}

} else {

if (0x2100 <= hs && hs <= 0x27ff) {

return true;

} else if (0x2B05 <= hs && hs <= 0x2b07) {

return true;

} else if (0x2934 <= hs && hs <= 0x2935) {

return true;

} else if (0x3297 <= hs && hs <= 0x3299) {

return true;

} else if (hs == 0xa9 || hs == 0xae || hs == 0x303d || hs == 0x3030

|| hs == 0x2b55 || hs == 0x2b1c || hs == 0x2b1b

|| hs == 0x2b50) {

return true;

}

}

}

}

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