LastIndex
Lastindex is a term used in string processing and regular expressions to refer to the position of a relevant match within a string, or to the index used to resume a search when performing repeated pattern matching. The exact meaning and naming vary by language and library.
In JavaScript, the lastIndex property belongs to RegExp objects. It indicates the position at which the next
In Python, the Match object exposes lastindex, a numeric attribute that gives the index (1-based) of the
Other contexts may use similar concepts under different names, such as lastIndex or lastindex, with varying
Practical use of lastindex-related concepts includes iterative searches across a string, retrieving information from capturing groups,