String Manipulation Roblox Lua
To prevent confusion i do not recommend you useing apostrophes.
String manipulation roblox lua. The string has one operator which is known as the concentation operator. The corona string library provides generic functions for string manipulation such as pattern matching and findingextracting substrings. When indexing a string in lua the first character is at position 1 not at position 0 as in c. For example these commands look for the word roblox within a string.
String 1 is lua string 2 is tutorial string 3 is lua tutorial. Direct matches can be done for any non magic characters by simply using them literally in a lua function like stringmatch. When indexing a string the first character has position 1. The third assignment way uses apostrophes.
The concentation operator is simply two dots and all it does is add strings to strings. Now lets dive into a few examples to exactly see how these string manipulation functions behave. If the child does not exist it will yield the current thread until it does. Waitforchild string childname double timeout customluastate canyield returns the child of the instance with the given name.
Or even to use stringgsub to call a function for each char. Strfind str substr init end receives two string arguments and returns a number. Strgsub functionc do something with c end in all of the above ive taken advantage of the fact that the string module is set as a metatable for all string values so its functions can be called as members using the. This library provides generic functions for string manipulation such as finding and extracting substrings.
See section 83 for some examples on string manipulation in lua. A sample code for manipulating the strings to upper and lower case is given below. These behave the exact same way as quotes except in the roblox lua editor will not be highlighted as a string but will compile properly. It provides all of its functions inside the global string variable.