Regular Expressions 101

Group 1(<a[^>]*href="(?!(http|ftp))[^"]*\/)

<athe literal text <a (case sensitive)

Negated Character Class[^>]*

*matches any number of characters outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

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

Negative Lookahead(?!(http|ftp))

Group 2(http|ftp)

1st Alternativehttp

httpthe literal text http (case sensitive)

2nd Alternativeftp

ftpthe literal text ftp (case sensitive)

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 3([^"]+)

Negated Character Class[^"]+

+matches at least one character outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

Global pattern flags

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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

(<a[^>]*href="(?!(http|ftp))[^"]*\/)([^"]+)

New

<a href="http://www.example.com/foo/bar.html">bar</a><a href="/foo/bar1.html"><a href="/foo/bar2.html">foo</a>

<a href="bar/foo3.html">foo</a><a target="_blank" href="../../bar/foo4.html">foo</a><a href="http://www.example.com/bar/foo.html">foo</a>