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Re: Re: Replacing consecutive tokens in 1 passby OM_Zen (Scribe) |
on Feb 22, 2003 at 23:24 UTC ( [id://237813]=note: print w/replies, xml ) | Need Help?? |
Hi , Your script gives the output |x|x|foo|bar|x|x|x|x|x| The post as required needs to retain the 906 and hence , one cannot do a normal "+" search on the digits and also the user string can have a 9[0-9]at any portion of the string like |868969780| , then your scripts turns it to x like this |868x| , and your script is a bit greedy and also changes the pattern to "x" . Hence we require to have a look_ahead and look_behind positive assertions(here regular width is ok) to have a pattern match of 9[0-9]following a "|" but not including a "|" and followed by a "|" but not including the "|" as the pattern This is the extended pattern that shall do it as in my previous post
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