Regular Expressions 101

Pro

(?i)applies the following effective flags to the remainder of the pattern: gmi

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

1st Alternative\.tpl

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

tplthe literal text tpl (case insensitive)

2nd Alternative.twig

.any character (except for line terminators)

twigthe literal text twig (case insensitive)

3rd Alternative\.ini

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

inithe literal text ini (case insensitive)

4th Alternative\.log

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

logthe literal text log (case insensitive)

5th Alternative(?<!robots|ads)\.txt

Negative Lookbehind(?<!robots|ads)

1st Alternativerobots

robotsthe literal text robots (case insensitive)

2nd Alternativeads

adsthe literal text ads (case insensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

txtthe literal text txt (case insensitive)

$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

(?i)(\.tpl|.twig|\.ini|\.log|(?<!robots|ads)\.txt)$

New

robots.txt
ads.txt
test.txt
config.ini

robots.txt
ads.txt
test.txt
config.ini