StringstartsWith
StringstartsWith is a string operation that determines whether a given string begins with a specified prefix. It is commonly implemented as a method or function named to resemble the startsWith behavior found in many programming languages. The operation typically takes the main string and the prefix to test, with an optional position indicating where in the main string to start the comparison. The result is a boolean: true if the substring starting at the specified position matches the prefix, and false otherwise. The default behavior is usually case-sensitive, and locale or culture handling varies by language or overload.
In practice, implementations exist under different names across languages. In JavaScript, the native method is str.startsWith(searchString
Usage considerations include performance and correctness for edge cases, such as empty prefixes or positions beyond
See also: endsWith, includes, substring, startsWith variants in different languages.