regular expression for sparse matching ?

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  • #50165
    Klaus Wais
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    I try to parse and modify the NetConfig file with regsub.

    I would like to change the IP setting of a thread.

    The idea is to find the thread name in the NetConfig and then look for the first occurance of LOCAL_IP, etc. etc.

    The first pattern I tried was {.*protocol HL7_tcpip.*? LOCAL_IP} but the sparse matching seems not to work.

    (In the NetConfig there is a blank before LOCAL_IP)

    I found out that {.*protocol HL7_tcpip.*?LOCAL_IP} is doing the job.

    Any comments about the different behaviour of the 2 patterns ?

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