PHP Regular Expressions
PHPDoc to refer to this page:
/** Explanation of the RegEx: http://gitfabian.github.io/Tethys/php/regex.html */
Meta-characters
http://php.net/manual/en/regexp.reference.meta.php
Meta-characters and -sequences used in this project:
.*? lazy match 0 or more any characters
Escape sequences
http://php.net/manual/en/regexp.reference.escape.php
Escape sequences used in this project:
\R line break: matches \n, \r and \r\n
Pattern Modifiers
http://php.net/manual/en/reference.pcre.pattern.modifiers.php
Pattern Modifiers used in this project:
s PCRE_DOTALL ("...a dot metacharacter in the pattern matches all characters, including newlines.")