Introduction to Regex for players

Hi everyone, today I will go over regex and how it can be used to help with things like mapping.

Using https://poe.re/ and selecting "map mods" will allow us to filter out specific map modifiers so that when we roll our maps we can have a bunch of them all "Set up" to run.

Example

My character gains huge QOL (quality of life) by getting rid of things like no regen, -elemental resistances, +monster HP as energy shield etc.

After selecting the modifiers I don't want to appear on my maps, I am left with the following "string" (a series of abbreviated words"

Spoiler
"
"!gy|ect o|sup|eec|ur$|tal d|o al|ail|re he|ot i"


I then take this and copy/paste it into my stash tab where I am rolling my maps to run. If the map is highlighted that means it is "Ready" and doesn't contain any of the modifiers I am filtering out.



"
Why is this useful?


It helps to isolate modifiers and makes running maps/setting up maps more efficient, thus increasing our overall "uptime" when playing. By default this will allow us to generate more profit over time.



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Last bumped on Jun 11, 2025, 6:40:33 PM
a few tips to add:

1. If you use Awakened POE, there is a space to save your regex strings for future use. You can even key bind them to save time.

2. In the PC client at least, there is a character limit in the search tab of your stash. If your regex gets too long, you can break it up into multiple regex.

These are especially helpful when rolling T17 maps. Example of this is I use 3 separate regex for rolling maps.

Regex 1: Highlights maps that meet quant/packsize/currency/scarab roll requirements

Regex 2: Grey out maps that have mods I dont want to run

Regex 3: Uses for applying extra delirium orbs to maps that have passed first 2 regex. Greys out maps that have 90%+ extra health and %health as extra ES.
“Freedom is what we do with what is done to us.”
Good notes! I forgot about the cutoff for string limit in stash!
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"


By default this will allow us to generate more profit over time.



And that single sentence is the symptom of every that's wrong with PoE: it is a trading/gambling simulator and not a game.

Why is the endgame goal to generate profit over time ?!?! It's supposed to be an ACTION RPG, not a trading simulator.
The endgame goal is whatever you want it to be.
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Hello there, hope everyone's having a great day.

Reading this I was wondering, is there any source I can learn how PoE regex works from? I've looked up some basic stuff for usual regex (as I had no idea what it was, now I do but i haven't internalized any syntax yet) and I was interested on trying to implement my own regex generator for Poe.

Just to practice my programming skills with something I'm interested in but I can't find a detailed syntax explanation anywhere, as it differs how PoE's ones work... Yes, I know there's already one online, and I don't know why the PoE 2 one doesn't work for some reason, so maybe I'll look into making it for PoE 2 instead? I don't know yet haha.

Either way, does anyone know if I can find that information somewhere? Anything helps thanks!
"
Hello there, hope everyone's having a great day.

Reading this I was wondering, is there any source I can learn how PoE regex works from? I've looked up some basic stuff for usual regex (as I had no idea what it was, now I do but i haven't internalized any syntax yet) and I was interested on trying to implement my own regex generator for Poe.

Just to practice my programming skills with something I'm interested in but I can't find a detailed syntax explanation anywhere, as it differs how PoE's ones work... Yes, I know there's already one online, and I don't know why the PoE 2 one doesn't work for some reason, so maybe I'll look into making it for PoE 2 instead? I don't know yet haha.

Either way, does anyone know if I can find that information somewhere? Anything helps thanks!


I found most of the information I've learned from google.
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I'm having a hard time getting to understand PoE's specifics 😅 but I will first stick to learning the usual Regex I guess... Thanks!

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