regex101: JavaScript Match Workspace

Non-Capturing Group(?:(?<multiplier>[1-9][0-9]*)\s*[xX\u00D7]\s*(?=[1-9]))?

?repeats the group contents below at most once:

Group multiplier(?<multiplier>[1-9][0-9]*)

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

Character Class[0-9]*

*matches any number of characters from the set below:

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

\s*any whitespace character, repeated any number of times

Character Class[xX\u00D7]

xthe literal x (120₁₀ / 170₈ / 78₁₆) (case insensitive)

Xthe literal X (88₁₀ / 130₈ / 58₁₆) (case insensitive)

\u00D7the literal × (D7₁₆ / 327₈ / 215₁₀)

\s*any whitespace character, repeated any number of times

Positive Lookahead(?=[1-9])

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

Group quantity(?<quantity>[1-9][0-9]*(?:[.,]\d+)*(?:\s\d{3})*)

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

Character Class[0-9]*

*matches any number of characters from the set below:

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

Non-Capturing Group(?:[.,]\d+)*

*repeats the group contents below any number of times:

Character Class[.,]

.the literal . (46₁₀ / 56₈ / 2E₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\d+a digit, repeated at least once

Non-Capturing Group(?:\s\d{3})*

*repeats the group contents below any number of times:

\sany whitespace character

\d{3}a digit, repeated exactly 3 times

\s?optionally matches any whitespace character

Group uom(?<uom>(?:milli|kilo|centi)?(?:ml|ounce|g(?:allon|ram|al)|each|ea?|pound|quart|q(?:uar)?t|piece|pc|lb|(?:met|lit)[re]{2})s?|fl\.?\s?oz|oz|k[mg]?|gm?|l|[cm]?[gl])

1st Alternative(?:milli|kilo|centi)?(?:ml|ounce|g(?:allon|ram|al)|each|ea?|pound|quart|q(?:uar)?t|piece|pc|lb|(?:met|lit)[re]{2})s?

Non-Capturing Group(?:milli|kilo|centi)?

?repeats the group contents below at most once:

1st Alternativemilli

millithe literal text milli (case insensitive)

2nd Alternativekilo

kilothe literal text kilo (case insensitive)

3rd Alternativecenti

centithe literal text centi (case insensitive)

Non-Capturing Group(?:ml|ounce|g(?:allon|ram|al)|each|ea?|pound|quart|q(?:uar)?t|piece|pc|lb|(?:met|lit)[re]{2})

1st Alternativeml

mlthe literal text ml (case insensitive)

2nd Alternativeounce

ouncethe literal text ounce (case insensitive)

3rd Alternativeg(?:allon|ram|al)

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

Non-Capturing Group(?:allon|ram|al)

1st Alternativeallon

allonthe literal text allon (case insensitive)

2nd Alternativeram

3rd Alternativeal

4th Alternativeeach

5th Alternativeea?

6th Alternativepound

7th Alternativequart

8th Alternativeq(?:uar)?t

9th Alternativepiece

10th Alternativepc

11th Alternativelb

12th Alternative(?:met|lit)[re]{2}

s?optionally matches the literal s (115₁₀ / 163₈ / 73₁₆) (case insensitive)

2nd Alternativefl\.?\s?oz

3rd Alternativeoz

4th Alternativek[mg]?

5th Alternativegm?

6th Alternativel

7th Alternative[cm]?[gl]

s?optionally matches the literal s (115₁₀ / 163₈ / 73₁₆) (case insensitive)

Negative Lookahead(?!\/mol)

Negative Lookahead(?![A-Za-z])

Global pattern flags

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

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

26 tokens

Regular Expression

(?:(?<multiplier>[1-9][0-9]*)\s*[xX\u00D7]\s*(?=[1-9]))?(?<quantity>[1-9][0-9]*(?:[.,]\d+)*(?:\s\d{3})*)\s?(?<uom>(?:milli|kilo|centi)?(?:ml|ounce|g(?:allon|ram|al)|each|ea?|pound|quart|q(?:uar)?t|piece|pc|lb|(?:met|lit)[re]{2})s?|fl\.?\s?oz|oz|k[mg]?|gm?|l|[cm]?[gl])s?(?!\/mol)(?![A-Za-z])

New

Calcium Chloride Powder - 4 Ounces in 1 Bottle
Germanium pellets 99,999% - 10g
Germanium pellets 99,999% - 10g
"SILICIC ACID, -100 MESH, FOR CHROMATOGRAPHY - 500 G"
Leg length 150 mm.
Potassium 99,99% - 10g
Silver iodide 10g
Variant:, 120ml, Aantal:, 500pcs
'Alcohol (Ethanol), Pure, 140 Proof, (70%), made with USP Certified Ethyl Alcohol and USP Grade Water, 55 gallon, New Lined Metal Drum'
1 Piece
1 Pieces
1 cm
1 lb
10GM
1 piece
3,456.78 mgs
3×10g
3 x 10g
3×10g
10 x foobar
123 pieces
1 pound
103x1lb
10 cm
25 cm
25 cm.
4 Ounces
43 ounce
43.4 lbs
43.4 ounce
43.4 ounces
43.4 pounds
43.6g
43g
64 gram
64.4 L
64.4 gram
64.4 l
64.4 qt
218.14 g/mol # should NOT match

Substitution

Calcium Chloride Powder - 4 Ounces in 1 Bottle
Germanium pellets 99,999% - 10g
Germanium pellets 99,999% - 10g
"SILICIC ACID, -100 MESH, FOR CHROMATOGRAPHY - 500 G"
Leg length 150 mm.
Potassium 99,99% - 10g
Silver iodide 10g
Variant:, 120ml, Aantal:, 500pcs
'Alcohol (Ethanol), Pure, 140 Proof, (70%), made with USP Certified Ethyl Alcohol and USP Grade Water, 55 gallon, New Lined Metal Drum'
1 Piece
1 Pieces
1 cm
1 lb
10GM
1 piece
3,456.78 mgs
3×10g
3 x 10g
3×10g
10 x foobar
123 pieces
1 pound
103x1lb
10 cm
25 cm
25 cm.
4 Ounces
43 ounce
43.4 lbs
43.4 ounce
43.4 ounces
43.4 pounds
43.6g
43g
64 gram
64.4 L
64.4 gram
64.4 l
64.4 qt
218.14 g/mol # should NOT match