Regular Expressions 101

Pro

the literal (32₁₀ / 40₈ / 20₁₆)

\s*any whitespace character, repeated any number of times

Group 1(( )?[0-9]+(?:\.\d+)?(?:\s*(?:l[ lb ]|lb))?(, )?)+

+repeats the group contents below at least once:

Group 2( )?

?repeats the group contents below at most once:

the literal (32₁₀ / 40₈ / 20₁₆)

Character Class[0-9]+

+matches at least one character from the set below:

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

Non-Capturing Group(?:\.\d+)?

?repeats the group contents below at most once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d+a digit, repeated at least once

Non-Capturing Group(?:\s*(?:l[ lb ]|lb))?

?repeats the group contents below at most once:

\s*any whitespace character, repeated any number of times

Non-Capturing Group(?:l[ lb ]|lb)

1st Alternativel[ lb ]

lthe literal l (108₁₀ / 154₈ / 6C₁₆) (case sensitive)

Character Class[ lb ]

the literal (32₁₀ / 40₈ / 20₁₆)

lthe literal l (108₁₀ / 154₈ / 6C₁₆) (case sensitive)

bthe literal b (98₁₀ / 142₈ / 62₁₆) (case sensitive)

2nd Alternativelb

lbthe literal text lb (case sensitive)

Group 3(, )?

?repeats the group contents below at most once:

, the literal text ,

\ban ASCII word boundary

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

25 tokens

 \s*(( )?[0-9]+(?:\.\d+)?(?:\s*(?:l[ lb ]|lb))?(, )?)+\b

New

<br><span style="font-size: 15px;"><span style="color: #000000;">• 8.5 lb, 25.4 lb 8.5 lb, 25.4 lb 8.5 lb, 25.4 lb</

<br><span style="font-size: 15px;"><span style="color: #000000;">• 8.5 lb, 25.4 lb 8.5 lb, 25.4 lb 8.5 lb, 25.4 lb</