perl正则表达式基础的问题

[IoRizHj]

$_ = "Hello there,nerghbor";
if (/(\w+),/) {
print "the word was $1\n";
}

为什么$1=there 而不是Hello呢？

[iambic]

因为还需要匹配后面的一个','，改成如下即可：

$_ = "Hello there,nerghbor";
if (/(\w+)/) {
print "the word was $1\n";
}

[IoRizHj]

哦！了解了！是我粗心了！谢谢楼上的