Regular Expressions 101

Positive Lookbehind(?<=_)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

Negated Character Class[^._]*

*matches any number of characters outside the set below:

.the literal . (46₁₀ / 56₈ / 2E₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

Positive Lookahead(?=\.)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

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

(?<=_)[^._]*(?=\.)

New

India_AP_Dev1.txt
USA_GA_QA2.txt
USA_NY_AWSDev1.txt
AUS_AA_BB_QA4.txt