Regular Expressions 101

\s*any whitespace character, repeated any number of times

Group 1([JSESSIONID]+)

Character Class[JSESSIONID]+

+matches at least one character from the set below:

Jthe literal J (74₁₀ / 112₈ / 4A₁₆) (case sensitive)

Sthe literal S (83₁₀ / 123₈ / 53₁₆) (case sensitive)

Ethe literal E (69₁₀ / 105₈ / 45₁₆) (case sensitive)

Ithe literal I (73₁₀ / 111₈ / 49₁₆) (case sensitive)

Othe literal O (79₁₀ / 117₈ / 4F₁₆) (case sensitive)

Nthe literal N (78₁₀ / 116₈ / 4E₁₆) (case sensitive)

Dthe literal D (68₁₀ / 104₈ / 44₁₆) (case sensitive)

\s*any whitespace character, repeated any number of times

=the literal = (61₁₀ / 75₈ / 3D₁₆)

\s*any whitespace character, repeated any number of times

Non-Capturing Group(?:"([^"])"|([^;"]*))

1st Alternative"([^"])"

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 2([^"])

Negated Character Class[^"]

"the literal " (34₁₀ / 42₈ / 22₁₆)

2nd Alternative([^;"]*)

Group 3([^;"]*)

Negated Character Class[^;"]*

*matches any number of characters outside the set below:

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

\s*any whitespace character, repeated any number of times

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

\s*([JSESSIONID]+)\s*=\s*(?:"([^"])"|([^;"]*))\s*

New

HTTP/1.1 302 Found
Date: Fri, 10 Jun 2016 21:44:38 GMT
Set-Cookie: JSESSIONID=1n9rk5co2o4xkpr327clod1pu;Path=/genesys;Expires=Sat, 11-Jun-2016 21:44:38 GMT;HttpOnly
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Location: http://192.168.1.200:8010/genesys/admin/login.jsp#/
Content-Length: 0

Regular Expression

Substitution