Determines if a string doesn't have lower cased characters.

This function is valid in v2.1.0 to v2.14.0. This function has been downloaded 46 times.


{string} str
The value to be checked.
{boolean=} opt_allowNoCasing Optional, Default:false
If true, characters without casing found in str will be viewed as upper cased characters.


true if str only has cased characters that are upper cased or if opt_allowNoCasing is true and str only has characters without casing. Otherwise false is returned.

Required Function

This function requires the following function which is included automatically:

  • isMixCase()
    Determines if a string has both upper cased and lower cased characters.