regular expression for only numbers in javascript code example

Example 1: get only numbers regex javascript

var numberPattern = /\d+/g;

'something102asdfkj1948948'.match( numberPattern )

Example 2: number pattern js

/^[\+\-]?\d*\.?\d+(?:[Ee][\+\-]?\d+)?$/

/* 
	matched values:
    -2.14e10
    +14E-20
    42.69
*/