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Re^3: "While" effect on regex?

by CountZero (Bishop)
on Feb 17, 2013 at 16:24 UTC ( #1019159=note: print w/ replies, xml ) Need Help??


in reply to Re^2: "While" effect on regex?
in thread "While" effect on regex?

The first while loop reads in the data to be matched. The second while loop goes through all the matches (if the g modifier is added).

CountZero

A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James

My blog: Imperial Deltronics


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Re^4: "While" effect on regex?
by Anonymous Monk on Feb 17, 2013 at 16:30 UTC
    you mean that the while loop executes for each match of /g?
    so if /g matches 2 times then the while block will be executed twice?
      so if /g matches 2 times then the while block will be executed twice?
      Indeed, the second loop will be executed once for each match.

      CountZero

      A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James

      My blog: Imperial Deltronics

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