March 2014 update

Task/Regular-expressions/D/regular-expressions.d

@@ -1,12 +1,12 @@
-import std.stdio, std.regex;
-
 void main() {
-    immutable string s = "I am a string";
+    import std.stdio, std.regex;
 
-    // Test:
-    if (!match(s, r"string$").empty)
-        writeln("Ends with 'string'.");
+    immutable s = "I am a string";
 
-    // Substitute:
-    replace(s, regex(" a "), " another ").writeln();
+    // Test.
+    if (!s.match(r"string$").empty)
+        "Ends with 'string'.".writeln;
+
+    // Substitute.
+    s.replace(" a ".regex, " another ").writeln;
 }

Task/Regular-expressions/Dart/regular-expressions.dart

@@ -0,0 +1,10 @@
+RegExp regexp = new RegExp(r'\w+\!');
+
+String capitalize(Match m) => '${m[0].substring(0, m[0].length-1).toUpperCase()}';
+
+void main(){
+  String hello = 'hello hello! world world!';
+  String hellomodified = hello.replaceAllMapped(regexp, capitalize);
+  print(hello);
+  print(hellomodified);
+}

Task/Regular-expressions/TXR/regular-expressions-3.txr

@@ -0,0 +1,2 @@
+$ txr -p '(regex-parse "a.*b")'
+(compound #\a (0+ wild) #\b)

Task/Regular-expressions/TXR/regular-expressions-4.txr

@@ -0,0 +1,2 @@
+$ txr -p "(regex-compile '(compound #\a (0+ wild) #\b))"
+#<sys:regex: 9c746d0>

Task/Regular-expressions/TXR/regular-expressions-5.txr

@@ -0,0 +1,2 @@
+$ txr -p '(regsub #/a+/ "-" "baaaaaad")'
+"b-d"