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#include <stdio.h>
#include <regex.h>
#include <string>
int test( const char *str, const char *sRegExp )
{
printf("Compiling: %s\n", sRegExp );
regex_t r;
if( regcomp( &r, sRegExp, REG_EXTENDED|REG_NEWLINE ) )
{
printf("Error compiling regular expression.\n");
return 0;
}
printf("Compiled, %d sub expressions.\n", r.re_nsub );
int nMatch = r.re_nsub+1;
regmatch_t *match = new regmatch_t[nMatch];
if( regexec( &r, str, nMatch, match, 0 ) )
{
printf("Regular expression did not match.\n");
return 0;
}
printf("Match!\nSubstrings:\n");
for( int j = 0; j < nMatch; j++ )
{
printf(" %d: (%d-%d) %s\n",
j,
match[j].rm_so, match[j].rm_eo,
std::string(str+match[j].rm_so, match[j].rm_eo-match[j].rm_so ).c_str()
);
}
delete[] match;
regfree( &r );
}
int main( int argc, char *argv[] )
{
printf("Regular expression test:\n\n");
test( argv[1], argv[2] );
return 0;
}
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