I'd like to extract the numbers from the following string via javascript/jquery:
"ch2sl4"
problem is that the string could also look like this:
"ch10sl4"
or this
"ch2sl10"
I'd like to store the 2 numbers in 2 variables.
Is there any way to use match so it extracts the numbers before and after "sl"? Would match even be the correct function to do the extraction?
Thx
Yes, match is the way to go:
var matches = str.match(/(\d+)sl(\d+)/);
var number1 = Number(matches[1]);
var number2 = Number(matches[2]);
If the string is always going to look like this: "ch[num1]sl[num2]", you can easily get the numbers without a regex like so:
var numbers = str.substr(2).split('sl');
//chop off leading ch---/\ /\-- use sl to split the string into 2 parts.
In the case of "ch2sl4", numbers will look like this: ["2", "4"], coerce them to numbers like so: var num1 = +(numbers[0]), or numbers.map(function(a){ return +(a);}.
If the string parts are variable, this does it all in one fell swoop:
var str = 'ch2fsl4';
var numbers = str.match(/[0-9]+/g).map(function(n)
{//just coerce to numbers
return +(n);
});
console.log(numbers);//[2,4]
split() too.As an alternative just to show how things can be achieved in many different ways
var str = "ch2sl10";
var num1 = +(str.split("sl")[0].match(/\d+/));
var num2 = +(str.split("sl")[1].match(/\d+/));
Try below code
var tz = "GMT-7";
var tzOff = tz.replace( /[^+-\d.]/g, '');
alert(parseInt(tzOff));
