Railo 4.2 Reference
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Function ISVALID

Tests whether a value meets a validation or data type rule.

Beispiel

isvalid(string type,any value,[any min_or_pattern,[any max]]):boolean

Argumente

Die Argumente für diese Funktion sind fest vorgegeben. Ausser den nachfolgenden Argumenten dürfen keine weiteren verwendet werden.
Name Typ Required Beschreibung
type string  Yes The valid format for the data; one of the following:
- any: any simple value. Returns false for complex values, such as query objects; equivalent to the IsSimpleValue function.
- array: an array; equivalent to the IsArray function.
- binary: a binary value; equivalent to the IsBinary function.
- boolean: a Boolean value; equivalent to the IsBoolean function.
- component: a component (CFC).
- creditcard: a 13-16 digit number conforming to the mod10 algorithm.
- date or time: any date-time value, including dates or times; equivalent to the IsDate function.
- email: a string containig a valid email address.
- eurodate: this functionality is only supported for compatibility reasion, we do not suggest to use this functionality. Use instead function isDate or lsIsDate. A date in the form d/m/y, d-m-y, or d.m.y. The m and d format can be 1 or 2 digits; y can be 2 or 4 digits.
- float or numeric: a numeric value; equivalent to the IsNumeric function.
- guid: a Globally Unique Identifier in the format XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX where X is a hexadecimal number.
- integer: an integer.
- query: a query object; equivalent to the IsQuery function.
- range: a numeric range, specified by the min and max attributes.
- regex or regular_expression: matches input against pattern attribute.
- ssn or social_security_number: A U.S. social security number.
- string: a string value, including single characters and numbers
- struct: a structure; equivalent to the IsStruct function.
- telephone: a standard US telephone number.
- URL: an http, https, ftp, file, mailto, or news URL,
- UUID: a Universally Unique Identifier in the format XXXXXXXX-XXXX-XXXX-XXXXXXXXXXXXXXX, where X is a hexadecimal number. See CreateUUID.
- USdate: this functionality is only supported for compatibility reasion, we do not suggest to use this functionality. Use instead function isDate or lsIsDate. A U.S. date of the format mm/dd/yy, with 1-2 digit days and months, 1-4 digit years.
- variableName: a string formatted according to ColdFusion variable naming conventions.
- zipcode: U.S., 5- or 9-digit format ZIP codes.  
value any  Yes The value to test.  
min_or_pattern any  No The minimum valid value; used only for range validation or
a JavaScript regular expression that the parameter must match; used only for regex or regular_expression validation.  
max any  No The maximum valid value; used only for range validation.