Validating a null link in HTML
42592
Is it OK to have an empty anchor tag?
37350
checking each required input for empty value with jQuery
116875
jQuery Validation plugin: how to check if an element is valid?
64111
Is my JavaScript validating enough?
23157
Embedding a link (or other html) in a JSF message
53061
How do I make an HTML text box show a hint when empty?
106258
What is the reason that an empty string evaluates to false in Javascript
38780
Checking for null before ToString()
156262
One step check for null value & emptiness of a string
114349
What is a null-terminated string?
130009
Is an anchor tag without the href attribute safe?
65944
Easier way of writing null or empty?
155577
How can I validate a radio button?
69848
about://(null) popup?
113208
Validating URL in Java
148755
How to check if string contents have any HTML in it?
74968
How can I validate a regular expression using jQuery Validation plugin?