$re = '/^"|"$|\\\\"|\\\\\\\\/m';
$str = '"sjdivfriyaaqa\\xd2v\\"k\\"mpcu\\"yyu\\"en"
"vcqc"
"zbcwgmbpijcxu\\"yins\\"sfxn"
"yumngprx"
"bbdj"
"czbggabkzo\\"wsnw\\"voklp\\"s"
"acwt"
"aqttwnsohbzian\\"evtllfxwkog\\"cunzw"
"ugvsgfv"
"xlnillibxg"
"kexh\\"pmi"
"syvugow"
"m\\"ktqnw"
"yrbajyndte\\\\rm"
"f\\"kak\\x70sn\\xc4kjri"
"yxthr"
"alvumfsjni\\"kohg"
"trajs\\x5brom\\xf1yoijaumkem\\"\\"tahlzs"
"\\"oedr\\"pwdbnnrc"
"qsmzhnx\\""
"\\"msoytqimx\\\\tbklqz"
"mjdfcgwdshrehgs"
"\\"rivyxahf\\""
"ciagc\\x04bp"
"xkfc"
"xrgcripdu\\x4c\\xc4gszjhrvumvz\\"mngbirb"
"gvmae\\"yiiujoqvr\\"mkxmgbbut\\"u"
"ih"
"ncrqlejehs"
"mkno\\x43pcfdukmemycp"
"uanzoqxkpsksbvdnkji\\"feamp"
"axoufpnbx\\\\ao\\x61pfj\\"b"
"dz\\\\ztawzdjy"
"ihne\\"enumvswypgf"
"\\"dgazthrphbshdo\\\\vuqoiy\\""
"dlnmptzt\\\\zahwpylc\\\\b\\"gmslrqysk"
"mhxznyzcp"
"rebr\\"amvxw\\x5fmbnfpkkeghlntavj"
"lades\\x47ncgdof\\"\\"jmbbk"
"dwxuis\\xa5wdkx\\\\z\\"admgnoddpgkt\\\\zs"
"g\\\\k\\x27qsl\\x34hwfglcdxqbeclt\\xca\\\\"
"lhyjky\\\\m\\"pvnm\\\\xmynpxnlhndmahjl"
"c\\"uxabbgorrpprw\\"xas\\\\vefkxioqpt"
"rfrvjxpevcmma\\x71gtfipo"
"fgh\\"kcwoqwfnjgdlzfclprg\\"q"
"onxnwykrba"
"hkkg\\x60f\\"tjzsanpvarzgkfipl"
"\\"aintes\\"ofq\\"juiaqlqxmvpe\\\\a"
"wiyczzs\\"ciwk"
"mfqeu"
"v\\xe1z\\x7ftzalmvdmncfivrax\\\\rjwq"
"k\\"vtg"
"exhrtdugeml\\xf0"
"behnchkpld"
"mhgxy\\"mfcrg\\xc5gnp\\"\\"osqhj"
"rlvjy"
"awe"
"ctwy"
"vt"
"\\x54t"
"zugfmmfomz"
"cv\\"cvcvfaada\\x04fsuqjinbfh\\xa9cq\\xd2c\\"d"
"oj"
"xazanf\\"wbmcrn"
"\\\\\\\\zkisyjpbzandqikqjqvee"
"dpsnbzdwnxk\\\\v"
"sj\\"tuupr\\\\oyoh"
"myvkgnw\\x81q\\xaaokt\\\\emgejbsyvxcl\\\\\\xee"
"ejeuqvunjcirdkkpt\\"nlns"
"twmlvwxyvfyqqzu"
"\\"xwtzdp\\x98qkcis\\"dm\\\\\\"ep\\"xyykq"
"vvcq\\\\expok"
"wgukjfanjgpdjb"
"\\"mjcjajnxy\\\\dcpc"
"wdvgnecw\\\\ab\\x44klceduzgsvu"
"dqtqkukr\\"iacngufbqkdpxlwjjt"
"\\"xj\\"\\x66qofsqzkoah"
"nptiwwsqdep"
"gsnlxql\\x30mjl"
"yeezwokjwrhelny\\""
"bjauamn\\\\izpmzqqasid"
"tvjdbkn\\"tiziw\\x82r"
"w"
"xwoakbbnjnypnaa\\xa9wft\\"slrmoqkl"
"vwxtnlvaaasyruykgygrvpiopzygf\\"vq"
"qdancvnvmhlmpj\\\\isdxs"
"xzc\\\\elw"
"b\\"wxeqvy\\"qf\\"g\\xcaoklsucwicyw\\"dovr"
"yomlvvjdbngz\\"rly\\"afr"
"bfb\\"x\\"aweuwbwmoa\\x13\\"t\\"zhr"
"\\"dmfoxb\\"qvpjzzhykt\\xd2\\"\\"ryhxi"
"psqef\\"yu\\\\qiflie\\"\\x79w"
"arzewkej\\"lqmh\\\\sayyusxxo\\\\"
"vuvvp"
"hc\\"lg\\x6bcpupsewzklai\\"l"
"cjdfygc\\"auorqybnuqghsh\\x10"
"j"
"wqjexk\\"eyq\\\\lbroqhk\\\\dqzsqk"
"dws\\"ru\\"dvxfiwapif\\"oqwzmle"
"agcykg\\\\jt\\\\vzklqjvknoe"
"kksd\\"jmslja\\\\z\\"y\\\\b\\xaagpyojct"
"nnpipxufvbfpoz\\"jno"
"dtw"
"xlolvtahvgqkx\\\\dgnhj\\\\spsclpcxv\\\\"
"mxea\\\\mbjpi"
"lgbotkk\\"zmxh\\\\\\\\qji\\"jszulnjsxkqf"
"lwckmhwhx\\"gmftlb\\x91am"
"xxdxqyxth"
"\\"lmqhwkjxmvayxy"
"tf"
"qy"
"wdqmwxdztax\\"m\\"\\x09\\x11xdxmfwxmtqgwvf"
"\\xcbnazlf\\"ghziknszmsrahaf"
"e\\x6aupmzhxlvwympgjjpdvo\\"kylfa"
"\\x81vhtlillb\\xactgoatva"
"dvnlgr"
"f"
"xg\\xfacwizsadgeclm"
"vnnrzbtw\\"\\\\prod\\\\djbyppngwayy\\""
"lrt\\xf4jahwvfz"
"aqpnjtom\\"ymkak\\\\dadfybqrso\\\\fwv"
"gz\\"aac\\"mrbk\\"ktommrojraqh"
"wycamwoecsftepfnlcdkm"
"nrhddblbuzlqsl\\x9cben"
"vckxhyqkmqmdseazcykrbysm"
"sil\\xbbtevmt\\"gvrvybui\\"faw\\"j"
"cjex\\\\tp\\x45pzf"
"asjobvtxszfodgf\\"ibftg"
"gkyjyjdrxdcllnh\\"sjcibenrdnxv"
"oswsdpjyxpbwnqbcpl\\"yrdvs\\\\zq"
"\\"\\"tyowzc\\\\fycbp\\"jbwrbvgui"
"cbpcabqkdgzmpgcwjtrchxp"
"iyrzfh\\x45gw\\"fdlfpiaap\\x31xqq"
"evgksznidz"
"b\\\\w\\\\"
"loufizbiy\\x57aim\\"bgk"
"qjfyk"
"g\\"anmloghvgr\\x07zwqougqhdz"
"usbbmwcxd\\\\bdgg"
"htitqcpczml"
"eke\\\\cqvpexqqk\\"to\\"tqmljrpn\\xe6lji\\""
"g\\xd2ifdsej"
"h\\"sk\\"haajajpagtcqnzrfqn\\xe6btzo"
"wfkuffdxlvm\\\\cvlyzlbyunclhmpp"
"myaavh\\"spue"
"hqvez\\x68d\\"eo\\"eaioh"
"s\\"qd\\"oyxxcglcdnuhk"
"ilqvar"
"srh"
"puuifxrfmpc\\"bvalwi\\x2blu\\\\"
"yywlbutufzysbncw\\\\nqsfbhpz\\"mngjq"
"zbl\\\\jfcuop"
"hjdouiragzvxsqkreup\\\\"
"qi"
"ckx\\\\funlj\\xa7ahi"
"k"
"ufrcnh\\"ajteit"
"cqv\\"bgjozjj\\x60x\\xa8yhvmdvutchjotyuz"
"hkuiet\\"oku\\x8cfhumfpasl"
"\\"\\\\sbe\\x4d"
"vhknazqt"
"eyyizvzcahgflvmoowvs\\\\jhvygci"
"kki\\x3ewcefkgtjap\\"xtpxh\\"lzepoqj"
"wvtk"
"\\"ynet"
"zh\\\\obk\\"otagx\\x59txfzf"
"ocowhxlx\\xe6zqg\\x63wx\\\\tclkhq\\\\vmaze"
"w\\"cf"
"qpniprnrzrnvykghqnalr"
"jctcqra\\"\\x05dhlydpqamorqjsijt\\\\xjdgt"
"sig"
"qhlbidbflwxe\\"xljbwls\\x20vht"
"irmrebfla\\xefsg\\"j"
"nep"
"hjuvsqlizeqobepf"
"guzbcdp\\"obyh"
"\\"mjagins\\xf9tqykaxy\\""
"knvsdnmtr\\"zervsb"
"hzuy"
"zza\\"k\\"buapb\\\\elm\\xfeya"
"lrqar\\"dfqwkaaqifig\\"uixjsz"
"\\"azuo\\x40rmnlhhluwsbbdb\\x32pk\\\\yu\\"pbcf"
"dplkdyty"
"rfoyciebwlwphcycmguc"
"ivnmmiemhgytmlprq\\\\eh"
"lhkyzaaothfdhmbpsqd\\\\yyw"
"tnlzifupcjcaj"
"\\\\qiyirsdrfpmu\\\\\\x15xusifaag"
"\\\\lcomf\\\\s"
"uramjivcirjhqcqcg"
"kkbaklbxfxikffnuhtu\\xc6t\\"d"
"n\\xefai"
"\\"toy\\"bnbpevuzoc\\"muywq\\"gz\\"grbm"
"\\"muu\\\\wt"
"\\\\srby\\"ee"
"erf\\"gvw\\"swfppf"
"pbqcgtn\\"iuianhcdazfvmidn\\\\nslhxdf"
"uxbp"
"up\\\\mgrcyaegiwmjufn"
"nulscgcewj\\\\dvoyvhetdegzhs\\""
"masv\\"k\\\\rzrb"
"qtx\\x79d\\"xdxmbxrvhj"
"fid\\\\otpkgjlh\\"qgsvexrckqtn\\xf4"
"tagzu"
"bvl\\\\\\"noseec"
"\\\\xgicuuh"
"w\\"a\\"npemf"
"sxp"
"nsmpktic\\x8awxftscdcvijjobnq\\"gjd"
"uks\\"\\"jxvyvfezz\\"aynxoev\\"cuoav"
"m"
"lkvokj"
"vkfam\\"yllr\\"q\\x92o\\x4ebecnvhshhqe\\\\"
"efdxcjkjverw"
"lmqzadwhfdgmep\\x02tzfcbgrbfekhat"
"cpbk\\x9azqegbpluczssouop\\x36ztpuoxsw"
"cqwoczxdd\\"erdjka"
"cwvqnjgbw\\\\fxdlby"
"mvtm"
"lt\\"bbqzpumplkg"
"ntd\\xeeuwweucnuuslqfzfq"
"y\\xabl\\"dbebxjrlbmuoo\\\\\\x1au"
"qjoqx\\\\a"
"pu\\"ekdnfpmly\\xbago\\""
"fjhhdy"
"arl"
"xcywisim\\"bwuwf\\"\\"raepeawwjub"
"pbe"
"dbnqfpzyaumxtqnd\\xc5dcqrkwyop"
"ojv\\x40vtkwgkqepm\\x8bzft\\\\vedrry"
"wggqkfbwqumsgajqwphjec\\"mstxpwz"
"zjkbem"
"icpfqxbelxazlls"
"pvpqs\\\\abcmtyielugfgcv\\"tjxapxqxnx"
"oqddwlvmtv\\"\\x39lyybylfb\\"jmngnpjrdw"
"gisgbve"
"\\"aglg"
"y\\"\\"ss\\xafvhxlrjv"
"qbgqjsra"
"ihshbjgqpdcljpmdwdprwloy"
"djja\\\\wcdn\\"svkrgpqn\\"uz\\"hc\\x43hj"
"cbjm"
"pnn"
"pqvh\\"noh"
"\\"\\\\fdktlp"
"ncea"
"pqgzphiyy"
"\\xbedovhxuipaohlcvkwtxwmpz\\"ckaif\\"r"
"arjuzbjowqciunfwgxtph\\"vlhy\\"n"
"c"
"nrpdxunulgudqzlhtae"
"iefheu\\"uru\\""
"aqijysxuijud\\"np\\\\opbichhudil\\xbesum"
"pfpevmtstl\\"lde\\"bzr\\"vspdxs"
"vparfbdjwvzsocpnzhp"
"g\\x4ffxaarafrsjthq\\\\\\xc1rw"
"ng\\\\rqx\\\\gwpzucbh\\xafl"
"rw\\"nf\\\\dna"
"jkkeahxurxla\\\\g\\xb3czrlsyimmwcwthr"
"twaailoypu\\"oas\\"kpuuyedlaw\\\\\\xb0vzt"
"hznex\\\\gdiqvtugi"
"imdibsunjeswhk"
"ta\\\\icileuzpxro\\"cfmv\\"mzp"
"coykr\\x57luiysucfaflmilhlehmvzeiepo"
"u\\x3dfh\\xd4yt"
"piw\\x1bz\\"eowy\\"vfk\\"wqiekw"
"gan\\"y"
"p\\"bevidoazcznr\\"hddxuuq\\""
"bwzucczznutbxe"
"z\\"viqgyqjisior\\\\iecosmjbknol"
"dmlpcglcfkfsctxydjvayhymv\\x3c\\\\gp"
"bfvkqrintbbvgfv"
"xlzntrgdck\\"cprc\\xadczyarbznqmuhxyuh"
"uqdxnuwioc\\"kdytxq\\\\ig"
"xrafmucpmfi"
"vr\\"hltmfrge"
"eonf\\"nt\\\\wtcnsocs"
"j\\xb7xoslyjeyjksplkqixncgkylkw"
"njw\\"pefgfbez\\x9axshdmplxzquqe"
"di\\x58bvptfsafirpc"
"l\\x1fkco"
"x"
"mprndo\\"n"
"psegit"
"svbdnkkuuqs\\"sqxu\\"oqcyz\\"aizashk"
"cwkljukxer\\\\\\"\\\\nff\\"esjwiyaoy"
"ilxrkgbjjxpvhdtq\\"cpiuoofdnkpp"
"hlngi\\"ulxep\\\\qohtmqnqjb\\"rkgerho"
"gxws\\"bcgm\\"p"
"bv\\"mds\\\\zhfusiepgrz\\\\b\\x32fscdzz"
"l\\xfampwtme\\x69qvxnx\\"\\"\\xc4jruuymjxrpsv"
"qqmxhrn"
"xziq\\\\\\x18ybyv\\x9am\\"neacoqjzytertisysza"
"aqcbvlvcrzceeyx\\\\j\\"\\"x"
"yjuhhb"
"\\x5em\\"squulpy"
"dpbntplgmwb"
"utsgfkm\\\\vbftjknlktpthoeo"
"ccxjgiocmuhf\\"ycnh"
"lltj\\"kbbxi"';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php