[PerlChina] 请问如何统计字符串中某个条件出现的次数
fayland
fayland at gmail.com
Fri Aug 4 00:53:05 PDT 2006
潘建锋 wrote:
> 比如:/sts3c_au4-j=[1..64]/vt2_tu12-k=[1..3]-l=[1..7]-m=[1..3]
> 中"="出现的次数。
> 谢谢!
my $a = '/sts3c_au4-j=[1..64]/vt2_tu12-k=[1..3]-l=[1..7]-m=[1..3]';
my $i;
$i++ while ($a =~ /=/g);
print $i;
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Fayland Lam // http://www.fayland.org/
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