regex101: PCRE (Legacy) Match Workspace

Positive Lookahead(?=[^\\]*$)

Negated Character Class[^\\]*

*matches any number of characters outside the set below:

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

$end of line

.*?any character (except for line terminators), repeated any number of times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

savthe literal text sav (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

25 tokens

Regular Expression

(?=[^\\]*$).*?\.sav

New

C:\Users...\Standard Loadflows Seq and Dyn PSSEv34 - 2019-02-20\AutumnHi-20180531-183047-34-SystemNormal\AutumnHi-20180531-183047-34-SystemNormal.sav

'Users\\...\\Standard Loadflows Seq and Dyn PSSEv34 - 2019-02-20\\WinterLo-20180729-043047-34-SystemNormal\\WinterLo-20180729-043047-34-SystemNormal.sav was'

Substitution

C:\Users...\Standard Loadflows Seq and Dyn PSSEv34 - 2019-02-20\AutumnHi-20180531-183047-34-SystemNormal\AutumnHi-20180531-183047-34-SystemNormal.sav

'Users\\...\\Standard Loadflows Seq and Dyn PSSEv34 - 2019-02-20\\WinterLo-20180729-043047-34-SystemNormal\\WinterLo-20180729-043047-34-SystemNormal.sav was'