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I need to trim this string to everything after the :<br />
the string is:<br />
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_KW_COST_247:.07<br />
<br />
What I want left is .07 and then to convert it to a double.
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I need to trim this string to everything after the :
the string is:

_KW_COST_247:.07

What I want left is .07 and then to convert it to a double.

trim string to everything after:

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