lean into examples

examples/regexs/regexs.go

@@ -0,0 +1,19 @@
+package main
+
+import "regexp"
+import "fmt"
+
+func main() {
+    m1, _ := regexp.MatchString("p[a-z]+ch", "apple")
+    m2, _ := regexp.MatchString("p[a-z]+ch", "peach")
+    fmt.Println(m1)
+    fmt.Println(m2)
+
+    r1, _ := regexp.Compile("p[a-z]+ch")
+    fmt.Println(r1.MatchString("apple"))
+    fmt.Println(r1.MatchString("peach"))
+}
+
+// todo: more
+// todo: gsub with regexp
+// todo: rename to "Regular Expressions"

examples/regexs/regexs.sh

@@ -0,0 +1,5 @@
+$ go run regexs.go 
+false
+true
+false
+true