12) minimum and maximum of multiple selections;
13) radio button groups;
14) date format;
15) money format;
16) phone format;
17) custom pattern;
1. check to see if the field is blank
|
syntax |
alt="blank" |
|
errors if |
field is left blank -or- only white space characters are present in it's value |
|
notes |
white space characters include space, tab, carriage return, new line, formfeed |
|
object compatibility |
input type=text, input type=password, textarea |
