Implement llSubStringIndex().

1 files changed, 6 insertions, 1 deletions

diff --git a/LuaSL/src/LSL.lua b/LuaSL/src/LSL.lua
index de7f956..3ca31a8 100644
--- a/LuaSL/src/LSL.lua
+++ b/LuaSL/src/LSL.lua
@@ -602,7 +602,7 @@ end
 
 
 -- LSL string functions
-function --[[string]] LSL.llGetSubString( --[[string]] text, --[[integer]] start, --[[integer]] End)
+function --[[string]] LSL.llGetSubString(--[[string]] text, --[[integer]] start, --[[integer]] End)
   -- Deal with the impedance mismatch.
   if 0 <= start  then  start = start + 1  end
   if 0 <= End    then  End   = End   + 1  end
@@ -610,6 +610,11 @@ function --[[string]] LSL.llGetSubString( --[[string]] text, --[[integer]] start
   return string.sub(text, start, End)
 end
 
+function --[[integer]] LSL.llSubStringIndex(--[[string]] text, --[[string]] sub)
+  local start, End = string.find(text, sub, 1, true)
+  if nil == start then return -1 else return start - 1 end
+end
+
 
 -- Crements stuff.