Regular Expressions 101

^start of line

Non-Capturing Group(?:[^_\n]*_){10}

{10}repeats the group contents below exactly 10 times:

Negated Character Class[^_\n]*

*matches any number of characters outside the set below:

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

\na line-feed (newline) character (ASCII 10)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

Group 1([^_\n]*)

Negated Character Class[^_\n]*

*matches any number of characters outside the set below:

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

\na line-feed (newline) character (ASCII 10)

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

^(?:[^_\n]*_){10}([^_\n]*).*$

New

e220juju_uk_yy_aon_aon_conversion_mystore_facebook-network_ppl_primaria_myproducta_galaxycombos_20220520
e220tyty_bo_oo_aon_aon_conversion_mystore_facebook-network_ppl_lal_myproductb_wd95m4473mw_diasdecyber_20220718

Substitution

\1