Regular Expressions 101

Pro

Non-Capturing Group(?:(\d*)['"]|(\d*\.\d*)['"]|(\d*(?>') \d*\.?\d*)["]|(\d*-\d\/\d)")

1st Alternative(\d*)['"]

Group 1(\d*)

\d*a digit, repeated any number of times

Character Class['"]

'the literal ' (39₁₀ / 47₈ / 27₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

2nd Alternative(\d*\.\d*)['"]

Group 2(\d*\.\d*)

\d*a digit, repeated any number of times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d*a digit, repeated any number of times

Character Class['"]

'the literal ' (39₁₀ / 47₈ / 27₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

3rd Alternative(\d*(?>') \d*\.?\d*)["]

Group 3(\d*(?>') \d*\.?\d*)

\d*a digit, repeated any number of times

Atomic Group(?>')

'the literal ' (39₁₀ / 47₈ / 27₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

\d*a digit, repeated any number of times

\.?optionally matches the literal . (46₁₀ / 56₈ / 2E₁₆)

\d*a digit, repeated any number of times

Character Class["]

"the literal " (34₁₀ / 42₈ / 22₁₆)

4th Alternative(\d*-\d\/\d)"

Group 4(\d*-\d\/\d)

\d*a digit, repeated any number of times

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\da digit

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\da digit

"the literal " (34₁₀ / 42₈ / 22₁₆)

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

Regular Expression

(?:(\d*)['"]|(\d*\.\d*)['"]|(\d*(?>') \d*\.?\d*)["]|(\d*-\d\/\d)")

New

5"
5' 11"
78-5/8"
5" x 36"
5" x 1.51" x 36"
5.0" x 1.51" x 36.1"
1.51' x 36' 3"
1.51' x 36' 3.0625"
5' x 1.51' x 36' 3"
5" x 1.51"
5' x 11'
33-5/8" x 1.510" x 78-5/8"