python regex search for elimitation












1















i have the following case



import re



target_regex = '^(?!P-[5678]).*'
pattern = re.compile(target_regex, re.IGNORECASE)



mylists=['p-1.1', 'P-5']



target_object_is_found = pattern.findall(''.join(mylists))



print "target_object_is_found:", target_object_is_found




this will give



target_object_is_found: ['P-1.1P-5']



but from my regex what i need is P-1.1 alone eliminating P-5






regex python-2.7







share|improve this question



























    1















    i have the following case



    import re



    target_regex = '^(?!P-[5678]).*'
    pattern = re.compile(target_regex, re.IGNORECASE)



    mylists=['p-1.1', 'P-5']



    target_object_is_found = pattern.findall(''.join(mylists))



    print "target_object_is_found:", target_object_is_found




    this will give



    target_object_is_found: ['P-1.1P-5']



    but from my regex what i need is P-1.1 alone eliminating P-5






    regex python-2.7







    share|improve this question

























      1












      1








      1








      i have the following case



      import re



      target_regex = '^(?!P-[5678]).*'
      pattern = re.compile(target_regex, re.IGNORECASE)



      mylists=['p-1.1', 'P-5']



      target_object_is_found = pattern.findall(''.join(mylists))



      print "target_object_is_found:", target_object_is_found




      this will give



      target_object_is_found: ['P-1.1P-5']



      but from my regex what i need is P-1.1 alone eliminating P-5






      regex python-2.7







      share|improve this question














      i have the following case



      import re



      target_regex = '^(?!P-[5678]).*'
      pattern = re.compile(target_regex, re.IGNORECASE)



      mylists=['p-1.1', 'P-5']



      target_object_is_found = pattern.findall(''.join(mylists))



      print "target_object_is_found:", target_object_is_found




      this will give



      target_object_is_found: ['P-1.1P-5']



      but from my regex what i need is P-1.1 alone eliminating P-5






      regex python-2.7




      regex python-2.7






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Nov 19 '18 at 13:53









      Anoop AjayAnoop Ajay

      235




      235
























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          You joined the items in mylist and P-5 is no longer at the start of the string.



          You may use



          import re
          

          
target_regex = 'P-[5-8]'
          
pattern = re.compile(target_regex, re.IGNORECASE)
          
mylists=['p-1.1', 'P-5']
          
target_object_is_found = [x for x in mylists if not pattern.match(x)]
          
print("target_object_is_found: {}".format(target_object_is_found))
          
# => target_object_is_found: ['p-1.1']


          See the Python demo.



          Here, the P-[5-8] pattern is compiled with re.IGNORECASE flag and is used to check each item inside mylist (see the [...] list comprehension) with the regex_objext.match method that looks for a match at the start of string only. The match result is reversed, see not after if.



          So, all items are returned that do not start with (?i)P-[5-8] pattern.






          share|improve this answer























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            1














            You joined the items in mylist and P-5 is no longer at the start of the string.



            You may use



            import re
            

            
target_regex = 'P-[5-8]'
            
pattern = re.compile(target_regex, re.IGNORECASE)
            
mylists=['p-1.1', 'P-5']
            
target_object_is_found = [x for x in mylists if not pattern.match(x)]
            
print("target_object_is_found: {}".format(target_object_is_found))
            
# => target_object_is_found: ['p-1.1']


            See the Python demo.



            Here, the P-[5-8] pattern is compiled with re.IGNORECASE flag and is used to check each item inside mylist (see the [...] list comprehension) with the regex_objext.match method that looks for a match at the start of string only. The match result is reversed, see not after if.



            So, all items are returned that do not start with (?i)P-[5-8] pattern.






            share|improve this answer




























              1














              You joined the items in mylist and P-5 is no longer at the start of the string.



              You may use



              import re
              

              
target_regex = 'P-[5-8]'
              
pattern = re.compile(target_regex, re.IGNORECASE)
              
mylists=['p-1.1', 'P-5']
              
target_object_is_found = [x for x in mylists if not pattern.match(x)]
              
print("target_object_is_found: {}".format(target_object_is_found))
              
# => target_object_is_found: ['p-1.1']


              See the Python demo.



              Here, the P-[5-8] pattern is compiled with re.IGNORECASE flag and is used to check each item inside mylist (see the [...] list comprehension) with the regex_objext.match method that looks for a match at the start of string only. The match result is reversed, see not after if.



              So, all items are returned that do not start with (?i)P-[5-8] pattern.






              share|improve this answer


























                1












                1








                1







                You joined the items in mylist and P-5 is no longer at the start of the string.



                You may use



                import re
                

                
target_regex = 'P-[5-8]'
                
pattern = re.compile(target_regex, re.IGNORECASE)
                
mylists=['p-1.1', 'P-5']
                
target_object_is_found = [x for x in mylists if not pattern.match(x)]
                
print("target_object_is_found: {}".format(target_object_is_found))
                
# => target_object_is_found: ['p-1.1']


                See the Python demo.



                Here, the P-[5-8] pattern is compiled with re.IGNORECASE flag and is used to check each item inside mylist (see the [...] list comprehension) with the regex_objext.match method that looks for a match at the start of string only. The match result is reversed, see not after if.



                So, all items are returned that do not start with (?i)P-[5-8] pattern.






                share|improve this answer













                You joined the items in mylist and P-5 is no longer at the start of the string.



                You may use



                import re
                

                
target_regex = 'P-[5-8]'
                
pattern = re.compile(target_regex, re.IGNORECASE)
                
mylists=['p-1.1', 'P-5']
                
target_object_is_found = [x for x in mylists if not pattern.match(x)]
                
print("target_object_is_found: {}".format(target_object_is_found))
                
# => target_object_is_found: ['p-1.1']


                See the Python demo.



                Here, the P-[5-8] pattern is compiled with re.IGNORECASE flag and is used to check each item inside mylist (see the [...] list comprehension) with the regex_objext.match method that looks for a match at the start of string only. The match result is reversed, see not after if.



                So, all items are returned that do not start with (?i)P-[5-8] pattern.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Nov 19 '18 at 13:57









                Wiktor StribiżewWiktor Stribiżew

                314k16133212




                314k16133212






























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