Regular Expressions 101

Group 1(\w)

\wany word character

Group 2([ ]*)

Character Class[ ]*

*matches any number of characters from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

Group 3(\[\d+])

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\d+a digit, repeated at least once

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

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

(\w)([ ]*)(\[\d+])

New

avc[123]
avc [123]
avc   [123]
avc       [123]
avcd[12345]
[123]
avc[123
avc123
avc