islowerlike
islowerlike is a term used in text processing to describe a property of strings related to lowercase forms. In its general sense, a string is considered lowerlike if every alphabetic character that has a lowercase form appears in lowercase within the string. Non-letter characters are usually ignored when evaluating the property.
Formally, for a string s, islowl ike(s) is true if for every code point c in s,
Relation to standard predicates: isl ow erlike is related to existing lowercase checks such as islower or
Use cases and limitations: The predicate can be useful in input validation for identifiers that must be
See also: islower, tolower, casefold, Unicode property Lowercase_Letter.