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LowerCaseQ

  • LowerCaseQ[ string ] yields True if all the characters in the string are lower-case letters, and yields False otherwise.
  • LowerCaseQ treats both ordinary and special characters.
  • See the Mathematica book: Section 2.7.4.
  • See also: UpperCaseQ, LetterQ, ToLowerCase, ToCharacterCode.

    Further Examples

    A space is not a lower case letter.

    In[1]:=

    Out[1]=

    In[2]:=

    Out[2]=