or download this
my $latex = q|We find that the generical scale behavior of structure f
+unctions in the inertial range is not self-similar $S_n(\ell)\propto
+\ell^{\zeta_n}$ but includes an \u201cexponential self-similar\u201d
+behavior $S_n(\ell) \propto \exp[\zeta_n\alpha^{-1} \ell^{\alpha}]$ w
+here $\alpha$ is a parameter proportional to the inverse of the logar
+ithm of the Reynolds number.|;
my @equations = $latex =~ /\$(.+?)\$/g;
say for @equations;