How many "abab" are "abababab"?

2: 

# abababab
# ----
#     ----

my $count = 0;
++$count while $string =~ /\Q$substr/g;

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3: 

# abababab
# ----
#   ----
#     ----

local our $count = 0;
$string =~ /\Q$substr\E(?{ ++$count })(?!)/;

[download]

In reply to Re: to find string by ikegami
in thread to find string by harshmane

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