php常用正则表达式，验证用户名，密码，Email，Url等

1. class Verify{
2. /**
3. * 验证用户名
4. * @param string $value
5. * @param int $length
6. * @return boolean
7. */
8. public static function isNames($value, $minLen=2, $maxLen=20, $charset='ALL'){
9. if(empty($value))
10. return false;
11. switch($charset){
12. case 'EN': $match = '/^[_\w\d]{'.$minLen.','.$maxLen.'}$/iu';
13. break;
14. case 'CN':$match = '/^[_\x{4e00}-\x{9fa5}\d]{'.$minLen.','.$maxLen.'}$/iu';
15. break;
16. default:$match = '/^[_\w\d\x{4e00}-\x{9fa5}]{'.$minLen.','.$maxLen.'}$/iu';
17. }
18. return preg_match($match,$value);
19. }
21. /**
22. * 验证密码
23. * @param string $value
24. * @param int $length
25. * @return boolean
26. */
27. public static function isPWD($value,$minLen=5,$maxLen=16){
28. $match='/^[\\~!@#$%^&*()-_=+|{}\[\],.?\/:;\'\"\d\w]{'.$minLen.','.$maxLen.'}$/';
29. $v = trim($value);
30. if(empty($v))
31. return false;
32. return preg_match($match,$v);
33. }
35. /**
36. * 验证eamil
37. * @param string $value
38. * @param int $length
39. * @return boolean
40. */
41. public static function isEmail($value,$match='/^[\w\d]+[\w\d-.]*@[\w\d-.]+\.[\w\d]{2,10}$/i'){
42. $v = trim($value);
43. if(empty($v))
44. return false;
45. return preg_match($match,$v);
46. }
48. /**
49. * 验证电话号码
50. * @param string $value
51. * @return boolean
52. */
53. public static function isTelephone($value,$match='/^0[0-9]{2,3}[-]?\d{7,8}$/'){
54. $v = trim($value);
55. if(empty($v))
56. return false;
57. return preg_match($match,$v);
58. }
60. /**
61. * 验证手机
62. * @param string $value
63. * @param string $match
64. * @return boolean
65. */
66. public static function isMobile($value,$match='/^[(86)|0]?(13\d{9})|(15\d{9})|(18\d{9})$/'){
67. $v = trim($value);
68. if(empty($v))
69. return false;
70. return preg_match($match,$v);
71. }
72. /**
73. * 验证邮政编码
74. * @param string $value
75. * @param string $match
76. * @return boolean
77. */
78. public static function isPostcode($value,$match='/\d{6}/'){
79. $v = trim($value);
80. if(empty($v))
81. return false;
82. return preg_match($match,$v);
83. }
84. /**
85. * 验证IP
86. * @param string $value
87. * @param string $match
88. * @return boolean
89. */
90. public static function isIP($value,$match='/^(25[0-5]|2[0-4][0-9]|[0-1]小贝[0-9]{2}|[1-9]小贝[0-9]小贝|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]小贝[0-9]{2}|[1-9]小贝[0-9]小贝|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]小贝[0-9]{2}|[1-9]小贝[0-9]小贝|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]小贝[0-9]{2}|[1-9]小贝[0-9]小贝|[0-9])$/'){
91. $v = trim($value);
92. if(empty($v))
93. return false;
94. return preg_match($match,$v);
95. }
97. /**
98. * 验证身份证号码
99. * @param string $value
100. * @param string $match
101. * @return boolean
102. */
103. public static function isIDcard($value,$match='/^\d{6}((1[89])|(2\d))\d{2}((0\d)|(1[0-2]))((3[01])|([0-2]\d))\d{3}(\d|X)$/i'){
104. $v = trim($value);
105. if(empty($v))
106. return false;
107. else if(strlen($v)>18)
108. return false;
109. return preg_match($match,$v);
110. }
112. /**
113. * *
114. * 验证URL
115. * @param string $value
116. * @param string $match
117. * @return boolean
118. */
119. public static function isURL($value,$match='/^(http:\/\/)?(https:\/\/)?([\w\d-]+\.)+[\w-]+(\/[\d\w-.\/?%&=]*)?$/'){
120. $v = strtolower(trim($value));
121. if(empty($v))
122. return false;
123. return preg_match($match,$v);
124. }
125. }
126. ?>

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正则表达式, php, Url