Regular Expressions 101

1st Alternative(autos?)

Group 1(autos?)

autothe literal text auto (case sensitive)

s?optionally matches the literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

2nd Alternative((?<!\w)arquiva(dos)?|(\-se)?)

Group 2((?<!\w)arquiva(dos)?|(\-se)?)

1st Alternative(?<!\w)arquiva(dos)?

Negative Lookbehind(?<!\w)

\wa Unicode word character

arquivathe literal text arquiva (case sensitive)

Group 3(dos)?

?repeats the group contents below at most once:

dosthe literal text dos (case sensitive)

2nd Alternative(\-se)?

Group 4(\-se)?

?repeats the group contents below at most once:

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

sethe literal text se (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

(autos?)|((?<!\w)arquiva(dos)?|(\-se)?)

New

desarquivamento
arquiva-se por tanto os autos
arquivamento
arquivação
arquiva-se
arquivalagem (só pra teste)
maraquivalagem
 arquiva auto
 desarquiva auto
autos arquivados
autos arquiva

Regular Expression

Extraction