正则

Expression:  ^([0-5]?\d?\d?\d?\d|6[0-4]\d\d\d|65[0-4]\d\d|655[0-2]\d|6553
[0-5])$
   
Description:   match for 0 - 65535 
Matches:  [0], [65535], [59999]  [ More Details] 
Non-Matches:  [123456], [69999], [65599] 

Expression:  ^\d{1,8}$|^\d{1,3},\d{3}$|^\d{1,2},\d{3},\d{3}$
   
Description:   Validates numeric input of 99,999,999 to 0 with or without commas. but no

decimal places. Very simple, but not bad for a novice. 
Matches:  [1000], [12,345], [12,345,678]  [ More Details] 
Non-Matches:  [1.1], [1,10], [123,888,888] 

Expression:  ^(\d|-)?(\d|,)*\.?\d*$
   
Description:   Input for Numeric values. Handles negatives, and comma formatted values.

Also handles a single decimal point 
Matches:  [5,000], [-5,000], [100.044]  [ More Details] 
Non-Matches:  [abc], [Hundred], [1.3.4] 

2004-08-07 12:33:22

^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|

([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/

\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?

((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/

\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s((([0-

9]|[0-1][0-9]|[2][0-3]))\:([0-5][0-9])(()|(\:([0-5][0-9])))))?$

2004-08-07 2:3:2 :
^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s((([0-9]|[0-1][0-9]|[2][0-3]))\:([0-9]|[0-5][0-9])(()|(\:([0-9]|[0-5][0-9])))))?$

2004-08-07

^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|

([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/

\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?

((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/

\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))\s