正则表达式获取引号之间的数字

Question

我有不同的字符串 json 在行中输入 egz 格式

{"env":"stato","usc":"00000000","isc":"000100","sn":"0120xxxxmacxxx"}
{{"cmd":"stat"},{"usc":"00000000",{"isc":"1001000"}},"sn":"0120xxxxmacxxx"}
{{"cmd":"status","usc":"00000000","isc":"1110001"},"sn":"0120xxxxmacxxx"}
{'stat':'dev',{data:['usc':'00000000','isc':'10010001']},'sn':'0120xxxxmacxxx'}

需要单个正则表达式，方法是在 "isc":" 后仅获取数字 0-1 格式的引号："仅需要此数字" 在单个 php 正则表达式中适用于所有格式。例如

$json = '{"env":"stato","usc":"00000000","isc":"00010000","sn":"0120xxxxmacxxx"}'; $find = "isc"; function find_data($find,$json){ preg_match('/,[{[]*["\']'.$find.'["\']:["\'](.*)["\'][}]]*,/i', $json, $r); return $r; }

json循环解决不来！ json 搜索只能接受一行代码，我在 atmega 16
中的计算和内存资源有限
谢谢帮助

Answer 1

$json = '{"env":"stato","usc":"00000000","isc":"00010000","sn":"0120xxxxmacxxx"}';

$arr = json_decode($json);
$isc = $arr->isc;

print_r($isc);   // Prints:   00010000

正则表达式获取引号之间的数字

regex get number betwen quotes

php

string

json

find