Regular Expressions 101

Group 1(_)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

Group 2([^_]+)

Negated Character Class[^_]+

+matches at least one character outside the set below:

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

Group 3(\..{3})

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

.{3}any character (except for line terminators), repeated exactly 3 times

$end of line

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.

25 tokens

Regular Expression

(_)([^_]+)(\..{3})$

New

windows10.0-kb4485448-x64_e43307ad84b7df662be562eafc70e0b081dffc38.msu
windows10.0-kb4487017-x64_delta_0718751eb60b786cda40725bda3e09e26374d83c.msu