03-01-2014
Your last solution work because the class '+' catch the most wide possible and so by example:
addr:10.0.0.139
first \S+ for addr:
second \S+ for 1 (here, \S work also)
\d+\.\d+\.\d+\.\d+ for 0.0.0.139
But your solution do not work with if first number is one digit as by exemple:
addr:1.0.0.139
Regards.
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LEARN ABOUT MOJAVE
fulong
FETCH(9) BSD Kernel Developer's Manual FETCH(9)
NAME
fetch, fubyte, fuibyte, fuiword, fulong, fuulong, fuword -- fetch data from user-space
SYNOPSIS
#include <sys/types.h>
#include <sys/time.h>
#include <sys/systm.h>
#include <sys/resourcevar.h>
int
fubyte(const user_addr_t addr);
int
fuibyte(const user_addr_t addr);
int
fuiword(user_addr_t addr);
int64_t
fulong(user_addr_t addr);
uint64_t
fuulong(user_addr_t addr);
int
fuword(user_addr_t addr);
DESCRIPTION
The fetch functions are designed to copy small amounts of data from user-space.
The fetch routines provide the following functionality:
fubyte() Fetches a byte of data from the user-space address addr.
fuibyte() Fetches a byte of data from the user-space address addr. This function is safe to call during an interrupt context.
fuiword() Fetches a word of data from the user-space address addr. This function is safe to call during an interrupt context.
fulong() Fetches a long word of data from the user-space address addr.
fuulong() Fetches a unsigned long word of data from the user-space address addr.
fuword() Fetches a word of data from the user-space address addr.
RETURN VALUES
The fetch functions return the data fetched or -1 on failure.
SEE ALSO
copy(9), store(9)
BSD
December 16, 2004 BSD