Regular Expressions 101

^start of line

Group 1([\w ]{1,3}(?= )|\w{1,3}|\{\w\})

1st Alternative[\w ]{1,3}(?= )

Character Class[\w ]{1,3}

{1,3}matches between 1 and 3 characters from the set below:

\wany word character

the literal (32₁₀ / 40₈ / 20₁₆)

Positive Lookahead(?= )

the literal (32₁₀ / 40₈ / 20₁₆)

2nd Alternative\w{1,3}

\w{1,3}any word character, repeated between 1 and 3 times

3rd Alternative\{\w\}

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

\wany word character

\}the literal } (125₁₀ / 175₈ / 7D₁₆)

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 ]{1,3}(?= )|\w{1,3}|\{\w\})