Regular Expressions 101

Explanation
Pro

Positive Lookbehind(?<=href="|src=")

1st Alternativehref="

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

2nd Alternativesrc="

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

Negative Lookahead(?!https?:\/\/)

httpthe literal text http (case sensitive)

s?optionally matches the literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Negated Character Class[^"]*

*matches any number of characters 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

(?<=href="|src=")(?!https?:\/\/)[^"]*

New

<a href="joycat"></a>
<a src="joycat"></a>
<a href="http://joycat"></a>
<a src="http://joycat"></a>

<a href="joycat"></a>
<a src="joycat"></a>
<a href="http://joycat"></a>
<a src="http://joycat"></a>