我刚刚开始使用Flex,似乎无法弄清楚如何匹配以下Expression:
"Dog".*"Cat"
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Input :
Dog Ca Cat Cc Cat
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Output:
Dog Ca Cat Cc Cat
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但是我想要一个非贪心的匹配,并带有以下输出:
Output:
Dog Ca Cat
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如何在Flex上实现?
编辑
尝试了以下内容:
%%
Dog.*Cat/.*Cat printf("Matched : ||%s||", yytext);
dog.*cat printf("Matched : ||%s||", yytext);
dOg[^c]*cAt printf("Matched : ||%s||", yytext);
DOG.*?CAT printf("Matched : ||%s||", yytext);
%%
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输入:
Dog Ca Cat Cc Cat
dog Ca cat Cc cat
dOg Ca cAt Cc cAt
DOG CA CAT CC CAT
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输出:
Matched : ||Dog Ca Cat Cc Cat||
Matched : ||dog Ca …Run Code Online (Sandbox Code Playgroud)