Hello devs, i am trying to create a regular expression

Question

Hello devs, i am trying to create a regular expression

in my node js app but for some reason i am not being able to ,merge it successfully with a custom string..... there is an annoying backslash that keeps ruining up the whole expression..... is there any workaround i can get this done through?

0

22.03.2021

6 ответов

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Darvesh 🍀

Actually, getting RegEx from user and executing is a bad idea

0

22.03.2021

Zeus Автор вопроса

Darvesh 🍀
Actually, getting RegEx from user and executing is...

o why though?, actually thats the only way mongodb allows u to query database based on a search pattern

0

22.03.2021

Zeus Автор вопроса

Darvesh 🍀
Actually, getting RegEx from user and executing is...

if u r concerned about some special characters or garbage values which user might enter.. we can always filter out those char right?

0

22.03.2021

Darvesh 🍀

Zeus
o why though?, actually thats the only way mongodb...

https://www.rexegg.com/regex-explosive-quantifiers.html

0

22.03.2021

Akshit

Darvesh 🍀
Actually, getting RegEx from user and executing is...

ReDoS attacks?

0

22.03.2021

Darvesh 🍀 · Accepted Answer

Darvesh 🍀

You have to pass gi flags as second argument to RegExp

0

22.03.2021

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Hello devs, i am trying to create a regular expression

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