Python regex matches string it shouldn't -

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I am completely lost how it matches this string in the regx dragon. Can anyone feel it? 

  import re regex = "^ PHP / 5. \\ {3 | 2 \\}. \\ {1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 \\} \\ {1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 \\} $ "ua = 'Mozilla / 5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident / 5.0) 'Recompens'. Search starts with (UAE)

rijax php , while the string does not exist. Should not a match be made unqualified by this happening? You need grouping (preferably non-capturing) Your Promotion:

PHP / 5 \\ {(?: 3 | 2) \\} \\ {(?: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 |) | \\} \\ {(?: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | | 9 | 0) \\} $ ^ ^ ^ ^ ^ ^

Other intelligent you will change the entire expression:

  • PHP / 5 or
  • 2 or
  • \ \}. \\ {1 or
  • 2 or
  • 3 or
  • 4 or
  • 5 Found!

Think and nested conditions ( if (a and amp;) ). < / Em>


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