regex101: Python Match Workspace

^start of line

Group 1(.*)

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

the literal (32₁₀ / 40₈ / 20₁₆)

Group 2(-\s)?

?repeats the group contents below at most once:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\sa Unicode whitespace character

Group 3([0-9,]+)

Character Class[0-9,]+

+matches at least one character from the set below:

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

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Group 4(k?g|[cmμ]m)

1st Alternativek?g

k?optionally matches the literal k (107₁₀ / 153₈ / 6B₁₆) (case sensitive)

gthe literal g (103₁₀ / 147₈ / 67₁₆) (case sensitive)

2nd Alternative[cmμ]m

Character Class[cmμ]

cthe literal c (99₁₀ / 143₈ / 63₁₆) (case sensitive)

mthe literal m (109₁₀ / 155₈ / 6D₁₆) (case sensitive)

μthe literal μ (956₁₀ / 1674₈ / 3BC₁₆) (case sensitive)

mthe literal m (109₁₀ / 155₈ / 6D₁₆) (case sensitive)

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

Search reference

Regular Expression

^(.*) (-\s)?([0-9,]+)(k?g|[cmμ]m)

New

Mercury(II) zinc thiocyanate - 1g
Uranyl zinc acetate  10g
Zinc (cube) 99,99% - 188g
Zinc (dendritic) 99,99% - 10g
Zinc (dendritic) 99,999% - 166g
Zinc (dendritic) 99,999% - 43,7g 
Zinc (dendritic) 99,999% - 56,3g 
Zinc (dendritic) 99,999% - 78,4g
Zinc (dendritic) 99,999% - 88,2g 
Zinc (dendritic) 99,999% - 93,7g
Zinc (foil) - 5cm x 5cm x 0,2mm
Zinc (pellets) 99,9% - 100g
Zinc (pellets) 99,999% 
Zinc (powder) 99,8% - 100g   15μm
Zinc (shavings) 99,8% - 100g
Zinc (wire) 99,95% - ∅1mm x 100cm
Zinc 99,9% - 100g
Zinc 99,95% - 100g
Zinc 99,995% - macro etched
Zinc 99,999%
Zinc 99,999% - 125g
Zinc 99,999% - 129g  SOLD!!!!
Zinc 99,999% - 191g
Zinc 99,999% - 93g
Zinc 99,9999% - 17g   SOLD!!!!!!!!!!!!
Zinc acetate dihydrate 100g
Zinc acetylacetonate - 10g
Zinc arsenide 10g
Zinc arsenide crystals 99,999% - 10g
Zinc balls 99,9% - 450g
Zinc balls 99,99% - 100g
Zinc balls 99,995% - 222g
Zinc carbonate basic - 10g
Zinc chromate
Zinc citrate - 100g
Zinc coin 99,9% - 3,95g
Zinc cyanide 10g
Zinc diarsenide 99,999% - 10g
Zinc dibenzyldithiocarbamate - 10g
Zinc diphosphide crystals 99,999% - 10g
Zinc fluoride 99% - 100g
Zinc formate - 100g
Zinc hexacyanocaobaltate - 10g
Zinc iodate - 10g
Zinc iodide - 20g
Zinc keychain
Zinc lactate
Zinc metaborate - 100g
Zinc metavanadate - 100g
Zinc molybdate - 10g