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 | | Thus with C, perl will first try to match the regexp with the C present; if that fails, perl will try to match the regexp without the C present. |
 | | Thus the integer regexp is /[+-]?\d+/; # matches integers A floating point number potentially has a sign, an integral part, a decimal point, a fractional part, and an exponent. |
 | | We can illustrate their behavior by first considering an ordinary regexp: $x = "ab"; $x =~ /a*ab/; # matches This obviously matches, but in the process of matching, the subexpression C first grabbed the C. |
| keck.ucsf.edu /~kvale/perlretut.pod (11358 words) |
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