1. substring - Noun
2. substring - Verb
substring (plural substrings)
(computing) A (possibly zero-length) string of characters that is contained in another string.
The substrings of "button" include "butt", "ton", and "on".
(computing, transitive) To extract a substring from.
(computing, transitive) To take as a substring.
Source: en.wiktionary.orgLine 2 gets a substring of that value from 0, which is the first character, to (but not including) 1, the second character. Source: Internet
Replaces the first substring of this string that matches the given with the given replacement. Source: Internet
The substring begins with the character at the specified index and extends to the end of this string. Source: Internet
When there is a positive-width match at the beginning of this string then an empty leading substring is included at the beginning of the resulting array. Source: Internet