Regular Expressions 101

Explanation

Pro

"the literal " (34₁₀ / 42₈ / 22₁₆)

Non-Capturing Group(?:ratingValue|price)

1st AlternativeratingValue

ratingValuethe literal text ratingValue (case sensitive)

2nd Alternativeprice

pricethe literal text price (case sensitive)

":the literal text ":

*the literal (32₁₀ / 40₈ / 20₁₆) , repeated any number of times

"?optionally matches the literal " (34₁₀ / 42₈ / 22₁₆)

Group 1([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)

Non-Capturing Group(?:[.][0-9]+)?

?repeats the group contents below at most once:

Character Class[.]

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[0-9]+

+matches at least one character from the set below:

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

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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

"(?:ratingValue|price)": *"?([0-9]+(?:[.][0-9]+)?)

New

r value from JSON-LD with regex. If i match a quoted value, like "price": "0.00" my regex works: "price": "(.*?)". But if the value is just a number, like "ratingValue": 5, my regex stops working.

Extraction

r value from JSON-LD with regex. If i match a quoted value, like "price": "0.00" my regex works: "price": "(.*?)". But if the value is just a number, like "ratingValue": 5, my regex stops working.