JavaScript RegExp (x|y) Expression

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JavaScript RegExp (x|y) Expression

The RegExp (x|y) expression finds any of the alternatives specified.

In the following example, we used global case-insensitive modifiers.

Example

HTML Online Editor
<!DOCTYPE html> <html> <body> <button onclick="myFunction()">Click me</button> <p id="point"></p> <script> function myFunction(){ var str = "His style Is who is he IS"; var pattern = /(Who|styLe)/gi; var result = str.match(pattern); document.getElementById("point").innerHTML = result; } </script> </body> </html>

Syntax

new RegExp("(x|y)"); //or /(x|y)/

Syntax with modifiers

new RegExp("(x|y)", "g"); //or /(x|y)/g

More Examples

Example

HTML Online Editor
<!DOCTYPE html> <html> <body> <button onclick="myFunction()">Click me</button> <p id="point"></p> <script> function myFunction(){ var str = "0123456789"; var pattern = /(1|3|5|7|9)/g; var result = str.match(pattern); document.getElementById("point").innerHTML = result; } </script> </body> </html>

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