PHP正则表达式提取playUrl

To extract the playUrl from the given string using regular expressions in PHP, you can use the following code://n//nphp//n/$string = ///'playUrl///':///'https://dispatchnew.ulivetv.net/v/live/ccns0yuvkzpc.m3u8?stream_id=ccns0yuvkzpc//u0026timestamp=1691131455//u0026rand=knqz1Ihs61//u0026uuid=9b647b3816b2a66a//u0026from=web//u0026sign=dce1533220755ba323c7c1de8a495e38///',///'layoutProps///':///'///'//n/$pattern = '////'playUrl///':///'(.*?)///'/';//npreg_match(/$pattern, /$string, /$matches);//n/$playUrl = /$matches[1];//necho /$playUrl;//n//n//nThis will output://n//n//nhttps://dispatchnew.ulivetv.net/v/live/ccns0yuvkzpc.m3u8?stream_id=ccns0yuvkzpc&timestamp=1691131455&rand=knqz1Ihs61&uuid=9b647b3816b2a66a&from=web&sign=dce1533220755ba323c7c1de8a495e38//n//n//nNote that the backslashes //u0026 in the input string are Unicode escape sequences for the ampersand character &.