Use Regular Expression as a constraint to delimit signs and characters:
Following string is to delimit an attribute from most kind of characters:
^((?![\`|\~|\!|\@|\#|\$|\%|\^|\&|\*|\(|\)|\+|\=|\[|
\{|\]|\}|\||\\|\-|\'|\<|\,|\.|\>|\?|\/|\""|\;|\:|]).)*$
Following example is to delimit the attribute expression from: backslash (\) and slash ()
^((?![\\\/\"]).)*$
Note! The error message that comes up if using a delimited charachter cannot be changed
E.g:
