PCRE正则表达式API

man pcre
man pcreapi

#ifndef regx_h
#define regx_h 1
int regx(const char *pattern,const char *text)
{
    pcre *re;
    const char *error;
    int erroroffset;
    int rc;
    re=pcre_compile(pattern,0,&error,&erroroffset,NULL);
    if(re==NULL)
    {
        printf( "PCRE compile failed at offset %d,error:%s", erroroffset,error );
        pcre_free(re);
        return -1;
    }
    rc=pcre_exec(re,NULL,text, strlen(text), 0, 0,NULL,0);
    pcre_free(re);
    return (rc<0)?-1:1;
}
#endif

#include <stdio.h>
#include <string.h>
#include <pcre.h>
#include "regx.h"
int main(int argc, const char *argv[])
{
    if (argc!=3) {
        printf("Need 2 args:pattern,text\n");
        return -1;
    }
    printf("%d",regx(argv[1],argv[2]));
    return 0;
}

gcc -o regx regx.c -lpcre

pcre *pcre_compile(const char *pattern, int options, const char **errptr, int *erroffset, const unsigned char *tableptr);
int pcre_exec(const pcre *code, const pcre_extra *extra, const char *subject, int length, int startoffset, int options, int *ovector, int ovecsize);