Regular Expressions 101

Pro

Positive Lookbehind(?<=HREF=")

HREF="the literal text HREF=" (case sensitive)

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

Positive Lookahead(?=")

"the literal " (34₁₀ / 42₈ / 22₁₆)

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

Regular Expression

(?<=HREF=").*?(?=")

New

<DT><A HREF="https://cheatsheetseries.owasp.org/cheatsheets/Clickjacking_Defense_Cheat_Sheet.html" ADD_DATE="1567455957">Clickjacking Defense · OWASP Cheat Sheet Series</A>