(b) Write down the regular expression and draw the transition diagram of [5] how a lexical...

 

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(b) Write down the regular expression and draw the transition diagram of [5] how a lexical analyzer will detect all the positive or negative floating point numbers (eg. 1.5. .45, 2., -98., -6.71, - .39 etc.). (b) Write down the regular expression and draw the transition diagram of [5] how a lexical analyzer will detect all the positive or negative floating point numbers (eg. 1.5. .45, 2., -98., -6.71, - .39 etc.).