Regular Expressions 101

Pro

#the literal # (35₁₀ / 43₈ / 23₁₆)

\d+a digit, repeated at least once

=the literal = (61₁₀ / 75₈ / 3D₁₆)

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

'Volumethe literal text 'Volume (case sensitive)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

m3the literal text m3 (case sensitive)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

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

\ban ASCII word boundary

IFCthe literal text IFC (case sensitive)

\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match

LABELthe literal text LABEL (case sensitive)

\ban ASCII word boundary

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

#\d+=.*?'Volume\(m3\).*?\bIFC\KLABEL\b

New

#425=IFCPROPERTYSINGLEVALUE('Volume(m3)',$,IFCLABEL('0.1'),$);

REAL

#425=IFCPROPERTYSINGLEVALUE('Volume(m3)',$,IFCLABEL('0.1'),$);