Question : Regular Expression or Patter Matching String or Parsing A Large String

I have a large text possibly read from a text file. Can any one help me to extract string with following pattern

Starting with word(mixed case) , followed by : and followed by any word or numbres
to make it specific
line starting with Word(Mixed case) followed by : and then followed by word(mixedcase) or number

eg
KS Status Info            : ZP busy
OVR Number                      : 232323232323
Product File     : <not allocated>

Answer : Regular Expression or Patter Matching String or Parsing A Large String

Check this:

1:	[A-Za-z ]+\s*(\:)\s*.*[A-Za-z0-9 ]+.*