String.count: Difference between revisions

text: A string to find the text from
search: A string defining what to find

Revision as of 02:17, 5 March 2016

This function counts how many times a string is found from within another string.

int string.count(string text, string search)

function string.count (text, search)
	if ( not text or not search ) then return false end
	
	return select ( 2, text:gsub ( search, "" ) );
end

Usage:

outputChatBox( string.count( "Just a test string", "t" ) ) -- and the result is 4!

Created by Krischkros, Edited by nextz.

@@ Line 13: / Line 13: @@
 == Code ==
 <syntaxhighlight lang="lua">
-function string.count(text, search)
+function string.count (text, search)
-	if search and text then
+	if ( not text or not search ) then return false end
-		local string_count = 0
-		for i in string.gfind(text, search) do
+	return select ( 2, text:gsub ( search, "" ) );
-			string_count = string_count + 1
-		end
-		return string_count
-	else
-		return 0
-	end
 end
 </syntaxhighlight>
@@ Line 29: / Line 23: @@
 <syntaxhighlight lang="lua">
-outputChatBox(string.count("A Text", "T")) -- and the result is 2!
+outputChatBox( string.count( "Just a test string", "t" ) ) -- and the result is 4!
 </syntaxhighlight>
-Code and Edit by Krischkros.
+Created by Krischkros, Edited by nextz.