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extract decimal number from alphanumeric string  RSS feed

 
ram baveja
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Posts: 2
Eclipse IDE Java MS IE
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I want to extract decimal number 265.12 or 0.0 from alphanumeric string (say amount) having value $265.12+ or $265.12- or $0.0+ or $0.0- and use it apply struts logic tag in jsp. Not sure how to extract number maybe with help of javascript? Need quick help
 
Don't get me started about those stupid light bulbs.
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