Regular Expressions 101

Pro

javathe literal text java (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

langthe literal text lang (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 1([^\s:]+)

Negated Character Class[^\s:]+

+matches at least one character outside the set below:

\sany whitespace character

:the literal : (58₁₀ / 72₈ / 3A₁₆)

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

java\.lang\.([^\s:]+)

New

java.lang.OutOfMemoryError: Java heap space Error sending periodic event
java.lang.NullPointerException: Java heap space Error sending periodic event