Regular Expressions 101

Pro

Negative Lookahead(?!.*(?:this|and|that))

.*any character (except for line terminators), repeated any number of times

Non-Capturing Group(?:this|and|that)

1st Alternativethis

thisthe literal text this (case sensitive)

2nd Alternativeand

andthe literal text and (case sensitive)

3rd Alternativethat

thatthe literal text that (case sensitive)

Group 1(wp-(.*)|xmlrpc)

1st Alternativewp-(.*)

wp-the literal text wp- (case sensitive)

Group 2(.*)

.*any character (except for line terminators), repeated any number of times

2nd Alternativexmlrpc

xmlrpcthe literal text xmlrpc (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

phpthe literal text php (case sensitive)

$end of line

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

25 tokens

(?!.*(?:this|and|that))(wp-(.*)|xmlrpc)\.php$

wp-this.php
wp-settings.php
wp-and.php
wp-config.php
that.php
xmlrpc.php