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@ -227,13 +227,6 @@ with equal precedence are grouped within { } symbols.
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This, the unary minus operator, is right associative, and
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This, the unary minus operator, is right associative, and
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has the same precedence as the ! operator.
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has the same precedence as the ! operator.
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! expr1
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Return the result of a logical complement of expr1.
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In other words, if expr1 is null, 0, an empty string,
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or the string "0", return a 1. Otherwise, return a 0.
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It has the same precedence as the unary minus operator, and
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is also right associative.
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expr1 : expr2
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expr1 : expr2
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The `:' operator matches expr1 against expr2, which must be a
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The `:' operator matches expr1 against expr2, which must be a
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regular expression. The regular expression is anchored to the
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regular expression. The regular expression is anchored to the
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@ -251,12 +244,6 @@ with equal precedence are grouped within { } symbols.
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before the regex match is made, beginning and ending double quote
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before the regex match is made, beginning and ending double quote
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characters are stripped from both the pattern and the string.
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characters are stripped from both the pattern and the string.
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expr1 =~ expr2
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Exactly the same as the ':' operator, except that the match is
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not anchored to the beginning of the string. Pardon any similarity
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to seemingly similar operators in other programming languages!
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The ":" and "=~" operators share the same precedence.
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expr1 ? expr2 :: expr3
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expr1 ? expr2 :: expr3
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Traditional Conditional operator. If expr1 is a number
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Traditional Conditional operator. If expr1 is a number
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that evaluates to 0 (false), expr3 is result of the this
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that evaluates to 0 (false), expr3 is result of the this
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@ -276,12 +263,6 @@ or C derived languages.
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Examples
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Examples
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"One Thousand Five Hundred" =~ "(T[^ ]+)"
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returns: Thousand
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"One Thousand Five Hundred" =~ "T[^ ]+"
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returns: 8
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"One Thousand Five Hundred" : "T[^ ]+"
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"One Thousand Five Hundred" : "T[^ ]+"
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returns: 0
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returns: 0
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@ -291,11 +272,6 @@ Examples
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"3075551212":"...(...)"
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"3075551212":"...(...)"
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returns: 555
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returns: 555
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! "One Thousand Five Hundred" =~ "T[^ ]+"
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returns: 0 (because it applies to the string, which is non-null,
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which it turns to "0", and then looks for the pattern
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in the "0", and doesn't find it)
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!( "One Thousand Five Hundred" : "T[^ ]+" )
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!( "One Thousand Five Hundred" : "T[^ ]+" )
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returns: 1 (because the string doesn't start with a word starting
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returns: 1 (because the string doesn't start with a word starting
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with T, so the match evals to 0, and the ! operator
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with T, so the match evals to 0, and the ! operator
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