19 lines
376 B
Perl
19 lines
376 B
Perl
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#!/usr/bin/perl
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$name="aAbBcCbB";
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$_="aAbBcCbB";
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print "------first--------\n";
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if(/bB/){ # 匹配完第一个bB就结束
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print "pre match: $` \n";
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print "match: $& \n";
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print "post match: $' \n";
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}
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print "------while--------\n";
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while(/bB/g){ # 将迭代两次
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print "pre match: $` \n";
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print "match: $& \n";
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print "post match: $' \n";
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}
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