Regular Expressions 101

Pro

Non-Capturing Group(?:\w+[ ]){0,5}

{0,5}repeats the group contents below between 0 and 5 times:

\w+any word character, repeated at least once

Character Class[ ]

the literal (32₁₀ / 40₈ / 20₁₆)

Group 1(abc$1$$[xy]$)

abcthe literal text abc (case sensitive)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Character Class[xy]

xthe literal x (120₁₀ / 170₈ / 78₁₆) (case sensitive)

ythe literal y (121₁₀ / 171₈ / 79₁₆) (case sensitive)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Non-Capturing Group(?:[ ]\w+){0,5}

{0,5}repeats the group contents below between 0 and 5 times:

Character Class[ ]

the literal (32₁₀ / 40₈ / 20₁₆)

\w+any word character, repeated at least once

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

(?:\w+[ ]){0,5}(abc\(1\)\([xy]\))(?:[ ]\w+){0,5}

New

the quick brown fox abc(1)(x)
cat with a black hat is abc(1)(x) the quick brown fox jumps over the lazy dog.

the quick brown fox abc(1)(x)
cat with a black hat is abc(1)(x) the quick brown fox jumps over the lazy dog.