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The string-search functions in Lua script can run extremely fast, comparing millions of characters per second. For example, a search of a 40,000-character article text, for 99 separate words (passed as 99 parameters in a template), ran within one second of Lua CPU clock time.
Regular expressions (or regex) are a common and very versatile programming technique for manipulating strings. On Wikipedia you can use a limited version of regex called a Lua pattern to select and modify bits of text from a string. The pattern is a piece of code describing what you are looking for in the string.
Lua patterns are used to define, find and handle a pattern in a string. It can do the common search and replace action in a text, but it has more options that doing plain text only. It can do the common search and replace action in a text, but it has more options that doing plain text only.
[[Category:Templates based on the String Lua module]] to the <includeonly> section at the bottom of that page. Otherwise, add <noinclude>[[Category:Templates based on the String Lua module]]</noinclude> to the end of the template code, making sure it starts on the same line as the code's last character.
This module is subject to page protection.It is a highly visible module in use by a very large number of pages, or is substituted very frequently. Because vandalism or mistakes would affect many pages, and even trivial editing might cause substantial load on the servers, it is protected from editing.
This template uses Lua: Module:String2 ; This is the {{Str startswith}} meta-template. It returns "yes" if the second parameter is the start of the first parameter. ...
Invalid function name: len = string.long(my_str) - The string-length operator is hash mark '#' (as in: #my_str), or use function 'string.len(my_str)' but trying to use unknown function 'string.long(my_str)' will successfully pass during the pre-compile of edit-save, yet it will hit "Script error" when that portion of the Lua script is executed.
Using a value of 0 or 1 ensures-- that all JSON numeric data becomes strings in Lua.---- Note that unlike-- JSON.decodeNumbersAsObjects = true-- this stringification is simple and unintelligent: the JSON number simply becomes a Lua string, and that's the end of it.-- If the string is then converted back to JSON, it's still a string.