Positive Lookahead(?=.*(\QE\\){2}z\/\z)^\/\(\?\=\.\*\(\\Q.{76}\E\\){2}z\/\z) .*any character (except for line terminators), repeated any number of times
Group 1(\QE\\){2}z\/\z)^\/\(\?\=\.\*\(\\Q.{76}\E\\){2} {2}repeats the group contents below exactly 2 times:
\QE\\){2}z\/\z)^\/\(\?\=\.\*\(\\Q.{76}\Ethe literal text E\\){2}z\/\z)^\/\(\?\=\.\*\(\\Q.{76} (case sensitive)
\\the literal \ (9210 / 1348 / 5C16)
zthe literal z (12210 / 1728 / 7A16) (case sensitive)
\/the literal / (4710 / 578 / 2F16)
\zend of string
^start of string
\/the literal / (4710 / 578 / 2F16)
\(the literal ( (4010 / 508 / 2816)
\?the literal ? (6310 / 778 / 3F16)
\=the literal = (6110 / 758 / 3D16)
\.the literal . (4610 / 568 / 2E16)
\*the literal * (4210 / 528 / 2A16)
\(the literal ( (4010 / 508 / 2816)
\\the literal \ (9210 / 1348 / 5C16)
Qthe literal Q (8110 / 1218 / 5116) (case sensitive)
.{76}any character (except for line terminators), repeated exactly 76 times
\zend of string