Regular Expressions 101

Group 1(['\"]|)

1st Alternative['\"]

Character Class['\"]

'the literal ' (39₁₀ / 47₈ / 27₁₆)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

2nd Alternative — matches an empty string

\ban ASCII word boundary

Non-Capturing Group(?:accountNumber|subNo)

1st AlternativeaccountNumber

accountNumberthe literal text accountNumber (case sensitive)

2nd AlternativesubNo

subNothe literal text subNo (case sensitive)

\1the text saved by group 1

Character Class[:-]

:the literal : (58₁₀ / 72₈ / 3A₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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

Group 2(['\"])

Character Class['\"]

'the literal ' (39₁₀ / 47₈ / 27₁₆)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 3(\d+)

\d+a digit, repeated at least once

\2the text saved by group 2

Global pattern flags

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(['\"]|)\b(?:accountNumber|subNo)\1[:-]\s*(['\"])(\d+)\2

New

23:22:12.127 DEBUG Getting Service Details for: accountNumber-"525012078", subNo 5488870689 
23:22:12.403 INFO  /subscriptions, [{"accountNumber":"1233","subscriptionNo":"123","type":...}}]

Regular Expression

Extraction