/**
* 校驗文字中是否存在表情 存在 return true
*/
function isEmojiCharacterIndex(substring) {
if (substring) {
var flag = false;
var index = -1;
for (var i = 0; i < substring.length; i++) {
var hs = substring.charCodeAt(i);
console.log(hs, 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) {
flag = true;
index = i;
break;
}
}
} else if (substring.length > 1) {
var ls = substring.charCodeAt(i + 1);
if (ls == 0x20e3) {
flag = true;
index = i;
break;
}
} else {
if (0x2100 <= hs && hs <= 0x27ff) {
flag = true;
index = i;
break;
} else if (0x2B05 <= hs && hs <= 0x2b07) {
flag = true;
index = i;
break;
} else if (0x2934 <= hs && hs <= 0x2935) {
flag = true;
index = i;
break;
} else if (0x3297 <= hs && hs <= 0x3299) {
flag = true;
index = i;
break;
} else if (hs == 0xa9 || hs == 0xae || hs == 0x303d || hs == 0x3030 ||
hs == 0x2b55 || hs == 0x2b1c || hs == 0x2b1b ||
hs == 0x2b50) {
flag = true;
index = i;
break;
}
}
}
return index;
}
};
/**
* 根據index 截取對應表情
*/
function subToIndex(index, str) {
console.log(index)
var res = str.substring(0, index)
res += str.substring(index + 2, str.length)
console.log(res)
return res;
}
/**
* 外部調用
*/
function isEmojiCharacter(str) {
var str_ = str;
var flag = false;
var msg = {};
var regStr =
/[\uD83C|\uD83D|\uD83E][\uDC00-\uDFFF][\u200D|\uFE0F]|[\uD83C|\uD83D|\uD83E][\uDC00-\uDFFF]|[0-9|*|#]\uFE0F\u20E3|[0-9|#]\u20E3|[\u203C-\u3299]\uFE0F\u200D|[\u203C-\u3299]\uFE0F|[\u2122-\u2B55]|\u303D|[\A9|\AE]\u3030|\uA9|\uAE|\u3030/ig;
if (regStr.test(str_)) {
str_ = str_.replace(regStr, "");
msg.data = str_;
msg.res = true;
return msg;
}
// 利用死循環 將每一個表情剔除
for (var i = 0; i < 1 + i; i++) {
var index = isEmojiCharacterIndex(str_);
if (index > -1) {
flag = true;
str_ = subToIndex(index, str_);
} else {
break;
}
}
msg.data = str_;
msg.res = flag;
return msg;
}