Unix Tip: REGULAR EXPRESSION FOR FLOATING POINT NUMBER

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UNIX GURU UNIVERSE
UNIX HOT TIP

Unix Tip 3297 - February 18, 2013

http://www.ugu.com/sui/ugu/show?tip.today

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REGULAR EXPRESSION FOR FLOATING POINT NUMBER

This the Regular expression for floating point numbers and
this can be used with grep or egrep for searching
floating point numbers in any text file.

(\+|-)?([0-9]+\.?[0-9]*|\.[0-9]+)([eE](\+|-)?[0-9]+)?



This tip generously supported by: udayk@india.hp.com



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