string.find

string.find Function
Syntax string.find( sentence : string pattern : string start? : number plain? : boolean ) Colon notation: sentence:find( pattern : string start? : number plain? : boolean )
Returns	number
API	string
Source	Lua (source)

Finds a pattern in a sentence.

ExampleFind the word hello
Returns the start and end pos of the word.
Code	string.find("hello world","hello")
Output	1 5

ExampleFind the word hello with start at pos 2
Returns nil, because it starts at pos 2.
Code	string.find("hello world","hello",2)
Output	nil

ExampleFind the letter "l" in the last 6 letters
Returns the start and end pos of the letter "l" in the word world.
Code	string.find("hello world","l",-6)
Output	10 10

ExampleFinding without pattern
Normaly it would find only the letter "l". When you turn the pattern finding off, it finds the letter "%" as well.
Code	string.find("%l","%l",1,true)
Output	1 2