匹配IP地址的正则表达式 （转）

正则表达式	^(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])$
匹配	127.0.0.1 | 255.255.255.0 | 192.168.0.1
不匹配	1200.5.4.3 | abc.def.ghi.jkl | 255.foo.bar.1

正则表达式	^((0|1[0-9]{0,2}|2[0-9]{0,1}|2[0-4][0-9]|25[0-5]|[3-9][0-9]{0,1})\.){3}(0|1[0-9]{0,2}|2[0-9]{0,1}|2[0-4][0-9]|25[0-5]|[3-9][0-9]{0,1})(?(\/)\/([0-9]|[1-2][0-9]|3[0-2])|)$
匹配	192.168.0.1 | 192.168.0.1/32 | 255.255.0.0/1
不匹配	010.0.0.0 | 192.168.0.1/33 | 256.0.1.55

正则表达式	^(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[0-9]{1,2})(\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[0-9]{1,2})){3}$
匹配	97.67.44.20 | 199.154.37.214 | 127.0.0.1
不匹配	63.125.94.287 | 140.370.a.187 | 94.923.1

正则表达式	/^(([01]?\d?\d|2[0-4]\d|25[0-5])\.){3}([01]?\d?\d|2[0-4]\d|25[0-5])\/(\d{1}|[0-2]{1}\d{1}|3[0-2])$/
匹配	192.168.100.1/24 | 0.0.0.0/0
不匹配	192.168.100.1/33 | 0.0.0.0/90

正则表达式	\d+\.\d+\.\d+\.\d+
匹配	127.0.0.1 | 255.255.255.0 | 192.168.0.1
不匹配	@#.5.4.3 | abc.def.ghi.jkl | 255.foo.bar.1

正则表达式	^((\d|\d\d|[0-1]\d\d|2[0-4]\d|25[0-5])\.(\d|\d\d|[0-1]\d\d|2[0-4]\d|25[0-5])\.(\d|\d\d|[0-1]\d\d|2[0-4]\d|25[0-5])\.(\d|\d\d|[0-1]\d\d|2[0-4]\d|25[0-5]))$
匹配	1.198.0.1 | 100.10.0.1 | 200.200.123.123
不匹配	..12.23 | a.23.345 | 400.500.300.300

正则表达式	^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$
匹配	0.0.0.0 | 255.255.255.02 | 192.168.0.136
不匹配	256.1.3.4 | 023.44.33.22 | 10.57.98.23.

正则表达式	^(http|https|ftp)\://(((25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\.){3}(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])|([a-zA-Z0-9_\-\.])+\.(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum|uk|me))((:[a-zA-Z0-9]*)?/?([a-zA-Z0-9\-\._\?\,\'/\\\+&%\$#\=~])*)$
匹配	http://www.allkins.com | http://255.255.255.255 | http://allkins.com/page.asp?action=1
不匹配	http://test.testing

正则表达式	^(([0-2]*[0-9]+[0-9]+)\.([0-2]*[0-9]+[0-9]+)\.([0-2]*[0-9]+[0-9]+)\.([0-2]*[0-9]+[0-9]+))$
匹配	113.173.40.255 | 171.132.248.57 | 79.93.28.178
不匹配	189.57.135 | 14.190.193999 | A.N.D.233

正则表达式	\b(([01]?\d?\d|2[0-4]\d|25[0-5])\.){3}([01]?\d?\d|2[0-4]\d|25[0-5])\b
匹配	217.6.9.89 | 0.0.0.0 | 255.255.255.255
不匹配	256.0.0.0 | 0978.3.3.3 | 65.4t.54.3