Regular Expressions 101

commonthe literal text common (case sensitive)

Group 1([^\.]+)?

?repeats the group contents below at most once:

Negated Character Class[^\.]+

+matches at least one character outside the set below:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

jsthe literal text js (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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

common([^\.]+)?\.js

common.js
common_somethingelse.js
common.min.js
common.min1.min2.js
common.min1.min2.min3.js