Regular Expressions 101

Pro

\ban ASCII word boundary

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

Group 1(abcd(?:-\w+)*[^-][^e][^d]\w)

abcdthe literal text abcd (case sensitive)

Non-Capturing Group(?:-\w+)*

*repeats the group contents below any number of times:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\w+any word character, repeated at least once

Negated Character Class[^-]

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Negated Character Class[^e]

ethe literal e (101₁₀ / 145₈ / 65₁₆) (case sensitive)

Negated Character Class[^d]

dthe literal d (100₁₀ / 144₈ / 64₁₆) (case sensitive)

\wany word character

"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

\bkey="(abcd(?:-\w+)*[^-][^e][^d]\w)"

New

object{one="ab-vwxc",two="value1",key="abcd-st-ed-qrew-btn-qa",four="obsolete Values"}

object{one="ab-vwxc",two="value1",key="abcd-st-ed-qrew-btn-qa",four="obsolete Values"}