substring

Noun.  A string of characters that is contained in another string, like "ello" in "Hello". Precisely, a string A is a substring of B, if B = C . A . D for some strings C and D, where "." is a concatenation operator, and C and D are possibly empty.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.