Find any letter in string
Deleted Userretrn('43244346g435') will return true
retrn('235345536') will return false
PLZ help me!
Thanks guys

edited 1×, last 06.09.11 06:00:17 am
-- WARNING: Untested function my_func() 	mystring = "123456789" 	my_func = string.gfind(mystring,"%a") end
function hasletter(mystring) 	if tostring(tonumber(mystring))==tostring(mystring) then 		return false 	else 		return true 	end end
function isnumber(str) 	if type(tonumber(str))=="number" 		return true 	else 		return false 	end end isnumber("2093845") --> true isnumber("236589f2683794") --> false isnumber("") --> false isnumber("-10") --> true