La La La- you might have seen the video but if you have I'm pretty sure you would understand it's about a child covering there ears so they can't hear what your saying and saying well lalala haha! I'm sure you've done it as a child.
2583 /kaná¹n (rule, standard) was used for a summary of orthodox Christian doctrine in the early Church (its consensual theology) â called the rule (kanÅn) of truth or rule of faith (regula fidei).
A regular expression, regex or regexp (sometimes called a rational expression) is, in theoretical computer science and formal language theory, a sequence of characters that define a search pattern. Usually this pattern is then used by string searching algorithms for find or find and replace operations on strings.