tmp.php

[
// Function names, including namespaced function names.
"/([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*(\\\\[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)*)\(/is",

// Date formats.
'/\b([0-9]{4}-[0-9]{1,2}-[0-9]{1,2})\b/is',     // YYYY-MM-DD
'/\b([0-9]{1,2}-[0-9]{1,2}-[0-9]{4})\b/is',     // MM-DD-YYYY
'/\b([0-9]{4}\\/[0-9]{1,2}\\/[0-9]{1,2})\b/is', // YYYY/MM/DD
'/\b([0-9]{1,2}\\/[0-9]{1,2}\\/[0-9]{4})\b/is', // MM/DD/YYYY

// IP addresses.
'/\b(\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3})\b/is', // IPv4.

// Initials.
"/\\b((?:[A-Za-z]\\.\\s{0,1})+)/isu",

// Version numbers: 1.0 or 1.0.4 or 1.0.5b1.
'/\b([a-z0-9]+(?:\\.[a-z0-9]+)+)\b/is',

// Serial numbers.
'/(?=\S*[\-\_])([[:alnum:]\-\_]+)/ius', // Hyphen/underscore separator.

// Strings followed by digits and maybe strings.
// e.g. `System 1` or `System 12ab-cd12`
'/([A-Za-z0-9]{1,}\s[0-9]{1,}[A-Za-z0-9]*)/iu',

// Strings of digits.
"/\\b(\\d{1,})\\b/is",

// e.g. M&M, M & M.
"/\\b([[:alnum:]]+\\s?(?:&\\s?[[:alnum:]]+)+)\b/isu",

// Strings with apostraphe(s). Consider both standard and curly.
'/\b([a-z0-9]*[\'|’][a-z0-9]*)\b/isu'
]