Regular Expressions 101

<inputthe literal text <input (case sensitive)

Negated Character Class[^>]+

+matches at least one character outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Branch Reset Group(?|name="fb_dtsg"[^>]+value="([^"]+)"|value="([^"]+)"[^>]+name="fb_dtsg")

1st Alternativename="fb_dtsg"[^>]+value="([^"]+)"

name="fb_dtsg"the literal text name="fb_dtsg" (case sensitive)

Negated Character Class[^>]+

+matches at least one character outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

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

Group 1([^"]+)

Negated Character Class[^"]+

+matches at least one character outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

2nd Alternativevalue="([^"]+)"[^>]+name="fb_dtsg"

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

Group 1([^"]+)

Negated Character Class[^"]+

+matches at least one character outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

Negated Character Class[^>]+

+matches at least one character outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

name="fb_dtsg"the literal text name="fb_dtsg" (case sensitive)

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.

Search reference

Regular Expression

<input[^>]+(?|name="fb_dtsg"[^>]+value="([^"]+)"|value="([^"]+)"[^>]+name="fb_dtsg")

New

<input name="init" id="init" value="mag_glass" type="hidden">
<!--

<input name="fb_dtsg" value="AQHF4anP9ASw" autocomplete="off" type="hidden">

-->