Regular Expressions 101

^start of string

Group 1(.)

.any Unicode character (except for line terminators)

.*any Unicode character (except for line terminators), repeated any number of times

- the literal text -

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

Group 2(\d+)

\d+a Unicode decimal digit, repeated at least once

mm - the literal text mm - (case sensitive)

.*any Unicode character (except for line terminators), repeated any number of times

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 3([\d\.]+)

Character Class[\d\.]+

+matches at least one character from the set below:

\da Unicode decimal digit

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

x the literal text x (case sensitive)

Group 4([\d\.]+)

Character Class[\d\.]+

+matches at least one character from the set below:

\da Unicode decimal digit

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Global pattern flags

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^(.).* - (?:(\d+)mm - ).*\(([\d\.]+)\" x ([\d\.]+)\"\)

N251 - 8mm - 4' x 10' (49.21" x 122.05")