val s
= """"\This string\\ \contains some\ backslashes\
"""" println(s)
val rx
= """(?<!\\)\\(?!\\)""".
r.
unanchored }
println(ismatch)
}
b2JqZWN0IE1haW4gZXh0ZW5kcyBBcHAgewoJdmFsIHMgPSAiIiIiXFRoaXMgc3RyaW5nXFwgXGNvbnRhaW5zIHNvbWVcIGJhY2tzbGFzaGVzXCIiIiIKCXByaW50bG4ocykKCXZhbCByeCA9ICIiIig/PCFcXClcXCg/IVxcKSIiIi5yLnVuYW5jaG9yZWQKCXZhbCBpc21hdGNoID0gcyBtYXRjaCB7CiAgICAgIGNhc2UgcngoXyopID0+IHRydWUKICAgICAgY2FzZSBfID0+IGZhbHNlCiAgIH0KCXByaW50bG4oaXNtYXRjaCkKfQ==