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http://blog.csdn.net/rufeng18/archive/2008/11/17/3322099.aspx
http://www.ibm.com/developerworks/cn/linux/l-pow-debug/
http://xueyueming.blog.163.com/blog/static/60411785200981045547110/
http://zhangyafeikimi.java ......

linux CÕýÔò±í´ïʽ——POSIXÕýÔò²âÊÔ

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#include <stdio.h>
#include <regex.h>
int main(int argc, char** argv)
{
regex_t reg;
regmatch_t pm[10];
char *pattern;
char buf[50];
const size_t nmatch = 10;

pattern = argv[1];
int result = regcomp(®, pattern, REG_EXTENDED);
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