From a97dcf2a3b70973a0b12f9ea9d700ca6388ce46a Mon Sep 17 00:00:00 2001
From: Linus G Thiel <linus@yesbabyyes.se>
Date: Tue, 3 May 2022 21:54:42 +0200
Subject: [PATCH] Use equivalent regex with PCRE

Use the equivalent regex with PCRE.

`[0-9]*` (and `\d*`) will output each integer, e.g.:

```bash
echo 17 | grep -o '[0-9]*'
```

Whereas `\d` will split it into digits, e.g.:

```bash
echo 17 | grep -oP '\d'
```

Signed-off-by: Linus G Thiel <linus@yesbabyyes.se>
---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 47fc319..8042968 100644
--- a/README.md
+++ b/README.md
@@ -280,7 +280,7 @@ grep -c "^$"
 ```bash
 grep -o '[0-9]*'
 #or
-grep -oP '\d'
+grep -oP '\d*'
 ```
 #####  Grep integer with certain number of digits (e.g. 3)
 ```bash