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#include <string>
#include "../libpcre++/pcre++.h"
using namespace std;
using namespace pcrepp;
void usage();
int main(int argc, char *argv[]) {
if(argc <3)
usage();
else {
string search = argv[1];
string replace = argv[2];
Pcre expression(search, "g");
string input;
cout << "> ";
while(getline(cin, input)) {
cout << expression.replace(input, replace) << endl;
cout << "> ";
}
}
return true;
}
void usage() {
cout << endl
<< "Usage: replace <search-for> <replace-with>\n"
<< "search must be a regular expression.\n"
<< "Every line on STDIN will then searched\n"
<< "for 'search-for'. Every match will be replaced\n"
<< "with 'replace-with'." << endl;
exit(-1);
}
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