Regular Expressions 101

Positive Lookahead(?=pt)

ptthe literal text pt (case insensitive)

Group 1( (.*?) \/\/ )+

+repeats the group contents below at least once:

Group 2(.*?)

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

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Global pattern flags

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

x modifier: extended. Ignores unescaped whitespace and comments outside character classes

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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

(?=pt) ( (.*?) \/\/ )+

New

<img alt="" src="/pt/webf//2015//47384_1.JPG" height="235" width="378" />
<div>Don't remove these // or these//</div>