int regcomp(regex_t *preg, const char *pattern, int cflags); 

int regexec(regex_t *preg, const char *string, size_t nmatch, regmatch_t pmatch[], int eflags); 

size_t regerror(int errcode, const regex_t *preg, char *errbuf, size_t errbuf_size); 

void regfree(regex_t *preg); 

DECLARE integer regexec IN "pcre.dll" string @ re, string sstr, integer nmch, string @, integer
DECLARE integer regcomp IN "pcre.dll" string @, string, integer
DECLARE integer regerror IN "pcre.dll" integer errcode, string @ preg, string @ errbuf, integer errbuf_size

structBuff = SPACE( 15 )
structMCHS = SPACE( 100 )
structERR = SPACE( 100 )

nmch= 1 

?regcomp(@structBuff, "\w*",  0 )
?regexec(@structBuff, "sss", nmch, @structMCHS,  1 )