# What regep modifiers are in use, if any?

**URL:** <https://community.mp3tag.de/t/what-regep-modifiers-are-in-use-if-any/16022>\
**Category:** Support\
**Created:** [August 17, 2014, 1:32pm UTC](https://community.mp3tag.de/t/what-regep-modifiers-are-in-use-if-any/16022 "2014-08-17T13:32:58Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![chrisjj](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/c/a698b9/32.png) [@chrisjj](https://community.mp3tag.de/u/chrisjj)\
**Post date:** [August 17, 2014, 1:32pm UTC](https://community.mp3tag.de/t/what-regep-modifiers-are-in-use-if-any/16022/1 "2014-08-17T13:32:58Z")

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What rexgep modifiers are in use by $regexp's Boost.Regexp Perl (PCRE) function, if any?

List of candidates here [http://i.imgur.com/R0uSPsu.png](http://i.imgur.com/R0uSPsu.png)

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**Author:** ![system](https://community.mp3tag.de/uploads/default/original/2X/c/ce7035d426cb755a7916793326d23b465222a407.png) [@system](https://community.mp3tag.de/u/system)\
**Post date:** [February 9, 2026, 12:25pm UTC](https://community.mp3tag.de/t/what-regep-modifiers-are-in-use-if-any/16022/2 "2026-02-09T12:25:12Z")

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Closed on February 9, 2026, 12:25pm UTC