Usage Examples • Usage Parameters • Install • Contact me
"Easy Regex" is a valuable and straightforward tool that takes your regular expression and displays the matched parts of the text in the output. Give it a try and witness its usefulness in action.
Suppose we possess a file that encompasses a plethora of information, comprising ASN numbers. Our objective is to extract solely the ASN numbers. Let us witness how our tool accomplishes this task for us...
▶ cat things.txt
The foremost ASN, AS11111, reigns supreme while the second in line, AS2222, follows closely behind.
Additionally, we possess another noteworthy ASN number - AS3333.
▶ cat things.txt | er -r "AS\d+"
AS11111
AS2222
AS3333
▶ cat things.txt | er -r "AS(\d+)" -g 1
11111
2222
3333
-r string
Your regex [e.g: ^\w+]
-g int
Group number
-h Help, show usage parameters
go install github.com/ImAyrix/er@latest