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Returns information about matches for a pattern in a string. Alias for the standard library function string.find.

Returns nil if no matches are found.

See also Lua library functions.


start, end, ... = strfind("s", "pattern" [, init [, plain]])


  • s - A string (string)
  • pattern - A regular expression pattern (string, pattern)
  • init - Initial position in the string s at which to begin the search; defaults to 1 if omitted (number)
  • plain - True to perform a simple substring search (i.e. considering pattern only as a literal string, not a regular expression); false or omitted otherwise (boolean)


  • start - Character position in s at which the first match begins (number)
  • end - Character position in s at which the first match ends (number)
  • ... - Captured substrings from s, if pattern specifies captures (list)


strfind("Welcome to Azeroth!", "Azeroth")
-- returns 12, 18
strfind("|cffffff00|Hquest:982:17|h[Deep Ocean, Vast Sea]|h|r", "quest:(%d+):([-%d]+)|h%[(.-)%]")
-- returns 11, 48, "982", "17", "Deep Ocean, Vast Sea"
This function is defined in the Lua standard libraries