Javascript examples for RegExp:Quantifier
The n{X} quantifier matches any string that contains a sequence of X n's. X must be a number.
The following code shows how to Do a global search for a substring that contains a sequence of four digits:
<!DOCTYPE html> <html> <body> <button onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() {//from ww w . jav a2 s. c om var str = "100, 1000 or 10000? asdf 1234"; var patt1 = /\d{3,4}/g; var result = str.match(patt1); document.getElementById("demo").innerHTML = result; } </script> </body> </html>