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const regex pattern("(\\w+day)"); string weekend = "Saturday and Sunday";// the source text smatch result; bool match = regex_search(weekend, result, pattern); if(match){ for(size_t i = 1; i < result.size(); ++i){ cout << result[i] << std::endl; } }
const regex pattern("(\\w+day)"); string weekend = "Saturday and Sunday, but some Fridays also."; const sregex_token_iterator end; for (sregex_token_iterator i(weekend.begin(),weekend.end(), pattern); i != end ; ++i){ cout << *i << " "; }
string text = "This is a element and this a unique ID."; const regex pattern("(\\ba (a|e|i|u|o))+");// regular expression with two capture groups std::string replace = "an $2"; //$2表示匹配模式串的第二个字串，即以a,e,i,o,u开头的单词 string newtext = regex_replace(text, pattern, replace); cout << newtext << endl;
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原文地址：http://www.cnblogs.com/qionglouyuyu/p/4850777.html
