Straight Tips: JavaScript - String Swap (No Delimiters Required)

Sunday, November 18, 2018

JavaScript - String Swap (No Delimiters Required)

This method (click here) requires #@ and #! Delimiters!

The below method does not require delimiters:

Test code here (Click)!

Example1

<!DOCTYPE html>

<script>

String = "ABCD"; 

Replaced = String.replace(/./ig, function(AllMatch, Match1, Match2, MatchX, OffsetPosition, SourceString){

alert(AllMatch + " - " + Match1 + " - " + Match2 + " - " + MatchX + " - " + OffsetPosition + " - " + SourceString);

if (AllMatch === "A") {return "B"};
if (AllMatch === "B") {return "A"};
if (AllMatch === "C") {return "D"};
if (AllMatch === "D") {return "C"};

return AllMatch;

});

alert("" +
String   + " = String"   +  "\n"  +
Replaced + " = Replaced" +
"");

</script>

Example2

<!DOCTYPE html>

<script>

String = "Joe Ana Marcus Fiana"; 

Replaced = String.replace(/Joe|Ana|Marcus|Fiana/ig, function(AllMatch, Match1, Match2, MatchX, OffsetPosition, SourceString){

alert(AllMatch + " - " + Match1 + " - " + Match2 + " - " + MatchX + " - " + OffsetPosition + " - " + SourceString);

if (AllMatch === "Joe") {return "Ana"};
if (AllMatch === "Ana") {return "Joe"};
if (AllMatch === "Marcus") {return "Fiana"};
if (AllMatch === "Fiana") {return "Marcus"};

return AllMatch;

});

alert("" +
String   + " = String"   +  "\n"  +
Replaced + " = Replaced" +
"");

</script>

Example 3 - using Matched Subpatterns

<!DOCTYPE html>

<script>

String = "Joe Ana Marcus Fiana"; 

Replaced = String.replace(/(Joe)|(Ana)|(Marcus)|(Fiana)/ig, function(AllMatch, Match1, Match2, Match3, Match4, OffsetPosition, SourceString){

alert(AllMatch + " - " + Match1 + " - " + Match2 + " - " + Match3 + " - " + Match4 + " - " + OffsetPosition + " - " + SourceString);

if (Match1) {return "Ana"};
if (Match2) {return "Joe"};
if (Match3) {return "Fiana"};
if (Match4) {return "Marcus"};

return AllMatch;

});

alert("" +
String   + " = String"   +  "\n"  +
Replaced + " = Replaced" +
"");

</script>

Keywords:
JavaScript - String Swap (No Delimiter Required)
JavaScript - Word Swap (No Delimiter Required)
JavaScript - Text Swap (No Delimiter Required)
JavaScript - Replace Multiple Strings At Once

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Sunday, November 18, 2018

JavaScript - String Swap (No Delimiters Required)

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