Regular Expressions 101

Explanation

Pro

Group 1(([0-9]+((.|,)[0-9])*)\s\btablespoons?\b)

Group 2([0-9]+((.|,)[0-9])*)

Character Class[0-9]+

+matches at least one character from the set below:

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

Group 3((.|,)[0-9])*

*repeats the group contents below any number of times:

Group 4(.|,)

1st Alternative.

.any Unicode character (except for line terminators)

2nd Alternative,

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Character Class[0-9]

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

\sa Unicode whitespace character

\ba Unicode word boundary

tablespoonthe literal text tablespoon (case sensitive)

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

\ba Unicode 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

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25 tokens

(([0-9]+((.|,)[0-9])*)\s\btablespoons?\b)

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