Template:Detect-link

=Description= Detects if text contains a link, internal or external. Returns true if detected, return nothing(blank) if not detected. It is not smart enough to detect valid external link formating. =Usage=

=Examples=
 * TEXT: the cat in the hat
 * Result:
 * TEXT: the [www.google.com cat] in the hat
 * Result:
 * TEXT: the cat in the hat


 * Result:
 * TEXT: the cat in the hat
 * note it is not smart enough to detect if its a valid link
 * Result:
 * TEXT: the (cat) in the hat
 * Result:
 * TEXT: the [cat in the hat
 * Result:
 * TEXT: the cat] in the hat
 * Result:

=Requirements=
 * Extension:RegexFunctions