Find and extract a number from a string

Question

I have a requirement to find and extract a number contained within a string.

For example, from these strings:

string test = \"1 test\"
string test1 =         


        

Answer 1

Using @tim-pietzcker answer from above, the following will work for PowerShell.

PS C:\> $str = '1 test'
PS C:\> [regex]::match($str,'\d+').value
1