Returns true if the passed string contains only alpha characters.
Returns true if the passed string contains only alpha-numeric characters.
Returns true if the passed string contains only alpha-numeric characters and underscores (_)
Returns true if the passed string contains only alphanumeric characters of the Western alphabets
Validate date and times. The default format is YYYY-MM-DD.
This method is just like RSValidation::isDate but with a default format of YYYY-MM-DD HH:MM:SS.
Returns true if the passed string is formatted as a valid e-mail adress.
Returns true if the first argument is a float.
Returns true if the first argument is a number of a numeric string and has the maximum and/or minumum size as specified by the second and third argument.
Returns true if the passed argument is a number or a numeric string.
An alias for isStringExt.
This method is just like RSValidation::isDate but with a default format of HH:MM:SS.
This method is just like RSValidation::isDate but with a default format of YYYYMMDDHHMMSS.
Returns true if the passed string is valid database object name.