Regular expressions: Difference between revisions
Mr. MacKenty (talk | contribs) (Created page with "right|frame|Computational thinking, problem-solving and programming<ref>http://www.flaticon.com/</ref> A regular expression, regex (sometimes called...") |
Mr. MacKenty (talk | contribs) No edit summary |
||
Line 4: | Line 4: | ||
[[File:Regex Cheat Sheet.pdf]] | |||
Revision as of 08:01, 11 May 2017
A regular expression, regex (sometimes called a rational expression) is, in theoretical computer science and formal language theory, a sequence of characters that define a search pattern. Usually this pattern is then used by string searching algorithms for "find" or "find and replace" operations on strings.[2]