JavaScript RegExp \dMetacharacter
JavaScript RegExp ObjectDefinition and Usage
\dThe metacharacter is used to find a digit character.
Syntax
new RegExp("\\d")
或者更简单方式：
/\d/
Using modifier:
new RegExp("\\d", "g")
或者更简单方式：
/\d/g
Browser Support
All major browsers support the \d metacharacter
Example
Example
Do a global search for digits:
var str="Give 100%!";
var patt1=/\d/g;
var patt1=/\d/g;
Belowmarkedtext shows where the expression gets a match:
Give 100%!
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