1 files changed, 8 insertions, 0 deletions
diff --git a/src/arg.rs b/src/arg.rs
new file mode 100644
index 0000000..eaea67b
--- /dev/null
+++ b/src/arg.rs
@@ -0,0 +1,8 @@
+use regex::{self, Regex};
+
+
+pub fn is_suggestion_id(s: &str) -> Result<bool, regex::Error> {
+    let re = Regex::new(r"^\d+$")?;
+
+    Ok(re.is_match(s))
+}