Regular Expressions 101

Pro

/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group applicationId(?<applicationId>application(?:_[0-9]+)+)

applicationthe literal text application (case sensitive)

Non-Capturing Group(?:_[0-9]+)+

+repeats the group contents below at least once:

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

/(?<applicationId>application(?:_[0-9]+)+)/

New

/yarn/container-logs/application_1621858977521_0074/container_1621858977521_0074_01_000004 [2021-06-08 05:40:06,231] INFO Changing view acls groups to:  (org.apache.spark.SecurityManager)