regular expression for ab1-cd1.

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# 1  
Old 06-09-2011
regular expression for ab1-cd1.

I am trying to write a regular expression in perl to match pattern like "ab1-cd1"(<alphabet><alphabet><number>-<alphabet><alphabet><number>) as below.


but seems not working.

Can anyone help me?
# 2  
Old 06-09-2011

# 3  
Old 06-09-2011
General unix reg-ex would be as

# 4  
Old 06-09-2011

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