JavaScript RegExp [xyz] Modifier
 Complete RegExp Object Reference
Definition and Usage
When the [xyz] modifier is set the regular expression finds specific
characters or span of characters.
The characters inside the brackets can be any characters or span of
characters.
Syntax
new RegExp("[xyz]")
OR
/[xyz]/
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Example
In the following code we will do a global search for the character span "a"
to "h":
var str = "Is this all there is?";
var patt1 = new RegExp("[a-h]","g");
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The marked text below shows where the RegExp gets a match:
Try-It-Yourself Demos
charset
How to use the "[a-h]" modifier to find all the occurrences of the character span "a" to "h".
Complete RegExp Object Reference
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