regular expressions

[J. Clifford Dyer]

On Tue, Nov 06, 2007 at 08:49:33AM -0800, krishnamanenianil at gmail.com wrote regarding regular expressions:
> 
> hi i am looking for pattern in regular expreesion that replaces
> anything starting with and betweeen http:// until /
> like http://www.start.com/startservice/yellow/ fdhttp://helo/abcd will
> be replaced as
> p/startservice/yellow/ fdp/abcd
> 

You don't need regular expressions to do that.  Look into the methods that strings have.  Look at slicing. Look at len.  Keep your code readable for future generations.

Py>>> help(str)
Py>>> dir(str)
Py>>> help(str.startswith)

Cheers,
Cliff