Regular Expressions 101

Pro

Group 1([A-Z]){3}

{3}repeats the group contents below exactly 3 times:

Character Class[A-Z]

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

\s?optionally matches any whitespace character

Group 2([0-9]){3}

{3}repeats the group contents below exactly 3 times:

Character Class[0-9]

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

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

([A-Z]){3}\s?([0-9]){3}

New

ABC 123 tab 123 tab 534

$DEF564 tab 456 tab 5454