Regular Expressions 101

Pro

Non-Capturing Group(?:width:\s?)

width:the literal text width: (case sensitive)

\s?optionally matches any whitespace character

Group 1([\d\.]+)

Character Class[\d\.]+

+matches at least one character from the set below:

\da digit

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

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

(?:width:\s?)([\d\.]+)

New

width: 287.942px; height: 162px;

width: 287.942px; height: 162px;