How to Remove the Spc Char from a String ?

Hi
I am trying to stream out the file name after useing Timestamp. It throws some exception
So I used the trim method for remove the space and spacial charater. But does't trim even space also.
Please any body help me how to remove the space and spceial characters from my string.
The file name ( String of value)
2c5e773bad5e153cf91d7adabc121e62007-03-30 21:54:43.219.ivwr
the file name after removing will be like this
d2c5e773bad5e153cf91d7adabc121e620070330215443.ivwr
pls help me
Thanks,
Merlin Roshina

filename = filename.replaceAll("(?!\\.ivwr$)[- :.]","");

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How to Remove the Spc Char from a String ?

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