regexec

function regexec(

  __preg: pregex_t;

  __string: Pchar;

  __nmatch: size_t;

  __pmatch: array of regmatch_t;

  __eflags: LongInt

):LongInt;

function regexec(

  var __preg: regex_t;

  __string: Pchar;

  __nmatch: size_t;

  __pmatch: Pregmatch_t;

  __eflags: LongInt

):LongInt;