Regular Expressions 101

1st Alternative[^\s"]+

Negated Character Class[^\s"]+

+matches at least one character outside the set below:

\sany whitespace character

"the literal " (34₁₀ / 42₈ / 22₁₆)

2nd Alternative [^\s"]++"(?:[^"]*)"

the literal (32₁₀ / 40₈ / 20₁₆)

Negated Character Class[^\s"]++

++matches at least one character outside the set below:

\sany whitespace character

"the literal " (34₁₀ / 42₈ / 22₁₆)

Non-Capturing Group(?:[^"]*)

Negated Character Class[^"]*

*matches any number of characters outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

" the literal text "

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

[^\s"]+| [^\s"]++"(?:[^"]*)"

New

spark.yarn.memoryOverhead=3g spark.executor.extraJavaOptions=\"-verbose:gc -XX:+UseSerialGC -XX:+PrintGCDetails -XX:+PrintAdaptiveSizePolicy\" spark.default.parallelism=1000 spark.yarn.executor.memoryOverhead=2000

Substitution

 --conf $0