Regular Expressions 101

Pro

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

Group 1(.*?)

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

Negative Lookbehind(?<!login)

loginthe literal text login (case sensitive)

"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="(.*?)(?<!login)"

This is some a string <a href="http://www.google.com">google</a> and this is another that should not be found <a href="https://www.google.com/login">login</a>

Extraction

This is some a string <a href="http://www.google.com">google</a> and this is another that should not be found <a href="https://www.google.com/login">login</a>