PHP Regex: How to match \r and \n without using [\r\n]?

Question

I have tested \\v (vertical white space) for matching \\r\\n and their combinations, but I found out that \\v does not match \\r

Answer 1

This regex also matches newline \n and carriage return \r characters.

(?![ \t\f])\s

DEMO

To match one or more newline or carriage return characters, you could use the below regex.

(?:(?![ \t\f])\s)+

DEMO