form.validation.regexp = FORM form.validation.regexp { method = post rules { 1 = regexp 1 { element = regexp1 expression = /\b(([01]?\d?\d|2[0-4]\d|25[0-5])\.){3}([01]?\d?\d|2[0-4]\d|25[0-5])\b/ } } # Regexp 10 = FIELDSET 10 { legend = Regexp test 10 = TEXTLINE 10 { label = IP number value = abcde name = regexp1 } } # Submit 40 = FIELDSET 40 { 10 = SUBMIT 10 { value = Submit } } }