Convertir un regex en PHP

<link>http://tf1livhlsstrike-lh.akamaihd.net/i/strike01_1@97256/index_5096k_av-b.m3u8?$doregex[tok]$doregex[acl]|X-Forwarded-For=77.132.237.189&User-Agent=Mozilla%2F5.0%20(Windows%20NT%206.1%3B%20rv%3A31.0)%20Gecko%2F20100101%20Firefox%2F31.0')</link>
                <regex>
                <name>tok</name>
                <expres>(hdnea=[^\\]*)</expres>
                <page>http://api.wat.tv/services/Delivery</page>
                <rawpost>udid=974AE6B2-8005-40E4-9748-601A6129ED8C&useragent=iPhone&context=WIFI&deviceType=sph&mediaId=L_TF1&appName=sdk%2FIphone%2F1.0&authKey=d7a5407b73696fc9b1e983c7be9009db%2F1409816606000&method=getLiveUrl</rawpost>
                <agent>MYTF1</agent>
                </regex>
                <regex>
                <name>acl</name>
                <expres>acl=\\([^"]*)</expres>
                <page>http://api.wat.tv/services/Delivery</page>
                <rawpost>udid=974AE6B2-8005-40E4-9748-601A6129ED8C&useragent=iPhone&context=WIFI&deviceType=sph&mediaId=L_TF1&appName=sdk%2FIphone%2F1.0&authKey=d7a5407b73696fc9b1e983c7be9009db%2F1409816606000&method=getLiveUrl</rawpost>
                <agent>MYTF1</agent>
                </regex>