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- This article is currently a stub; it means I'm aware it's short and I probably intend to expand on the subject in the future!
I can never remember which programs use which regex variants, so here's a quick recap sheet.
|grep (GNU)||sed (GNU)||vim||python|
|capture||\( ... \)||\( ... \)||\( ... \)||( ... )|
|word boundary||\< or \>||\< or \>||\< or \>||\b|
|zero or more||*||*||*||*|
|one or more||\+||\+||\+||+|