Regular Expressions 101

Explanation

Pro

1st Alternative(*SKIP)(*F)

<!--the literal text <!--

Group with flags gis(?s:.*?)

s modifier: single line. Allows a dot to match line terminators

.*?any character, repeated any number of times

-->the literal text -->

(*SKIP)acts like (*PRUNE), but the next unanchored match attempt starts where (*SKIP) was reached instead of at the next subject character

(*F)forces the current match attempt to fail at this position

2nd Alternative(<![^>]*[^\/]>)

Group 1(<![^>]*[^\/]>)

<!the literal text <!

Negated Character Class[^>]*

*matches any number of characters outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Negated Character Class[^\/]

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Global pattern flags

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

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

Detailed match information will be displayed here automatically.

25 tokens

<!--(?s:.*?)-->(*SKIP)(*F)|(<![^>]*[^\/]>)

<!--<p>some text here.</p>-->
<!This TAG>
<!-- <!Tag1><!Tag2><!Tag3> -->

<!--<p>some text here.</p>-->
<!This TAG>
<!-- <!Tag1><!Tag2><!Tag3> -->