我想匹配
$${}$$
中的內容
str比較復雜,如下,我想找出所有雙$$花括號的內容,并放進一個數組,該如何做?
[{"field_id":"DM0002","field":"$${gender}$$","weight":"0.5","data_type":"1","condition_scores":[{"condition":{"type":"and","options":[{"option":"gt","value":"$${gender}$$","type":"word"},{"option":"gte","value":"$${userName}$$","data_type":"","type":"word","field_id":"","filed":""}]},"score":"50"},{"condition":{"type":"and","options":[{"option":"gt","value":"$${gender}$$","data_type":"","type":"word","field_id":"","filed":""},{"option":"lt","value":"$${gender}$$","data_type":"","type":"word","field_id":"","filed":""}]},"score":"80"}]}]
JSON如下
[
{
"field_id":"DM0002",
"field":"$${gender}$$",
"weight":"0.5",
"data_type":"1",
"condition_scores":[
{
"condition":{
"type":"and",
"options":[
{
"option":"gt",
"value":"$${gender}$$",
"type":"word"
},
{
"option":"gte",
"value":"$${userName}$$",
"data_type":"",
"type":"word",
"field_id":"",
"filed":""
}
]
},
"score":"50"
},
{
"condition":{
"type":"and",
"options":[
{
"option":"gt",
"value":"$${gender}$$",
"data_type":"",
"type":"word",
"field_id":"",
"filed":""
},
{
"option":"lt",
"value":"$${gender}$$",
"data_type":"",
"type":"word",
"field_id":"",
"filed":""
}
]
},
"score":"80"
}
]
}
]
自己嘗試使用
/^\$\$\{(\w{1,10})\}\$\$$/.exec('$${4555}$$222$${4555555788}$$')
匹配不成功,求解答
var str = '[{"field_id":"DM0002","field":"$${gender}$$","weight":"0.5","data_type":"1","condition_scores":[{"condition":{"type":"and","options":[{"option":"gt","value":"$${gender}$$","type":"word"},{"option":"gte","value":"$${userName}$$","data_type":"","type":"word","field_id":"","filed":""}]},"score":"50"},{"condition":{"type":"and","options":[{"option":"gt","value":"$${gender}$$","data_type":"","type":"word","field_id":"","filed":""},{"option":"lt","value":"$${gender}$$","data_type":"","type":"word","field_id":"","filed":""}]},"score":"80"}]}]'
var reg = /\$\$\{(\w+)\}\$\$/g;
var result = str.match(reg).map(item => item.replace(reg,'$1'));
console.log(result);
OR
var result = [];
var r = ''
do
{
r = reg.exec(str);
r && result.push(r[1]);
}
while (r !== null)
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