Refactor and add version text to variable syntax
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@ -482,7 +482,7 @@ Below you can find supported syntax reference:
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> Example: `$VARIABLE == "some value"`
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> Example: `$VARIABLE != "some value"` _(added in 11.11)_
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> Example: `$VARIABLE != "some value"` (introduced in GitLab 11.11)
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You can use equality operator `==` or `!=` to compare a variable content to a
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string. We support both, double quotes and single quotes to define a string
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@ -493,7 +493,7 @@ Below you can find supported syntax reference:
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> Example: `$VARIABLE == null`
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> Example: `$VARIABLE != null` _(added in 11.11)_
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> Example: `$VARIABLE != null` (introduced in GitLab 11.11)
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It sometimes happens that you want to check whether a variable is defined
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or not. To do that, you can compare a variable to `null` keyword, like
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@ -504,7 +504,7 @@ Below you can find supported syntax reference:
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> Example: `$VARIABLE == ""`
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> Example: `$VARIABLE != ""` _(added in 11.11)_
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> Example: `$VARIABLE != ""` (introduced in GitLab 11.11)
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If you want to check whether a variable is defined, but is empty, you can
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simply compare it against an empty string, like `$VAR == ''` or non-empty
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@ -514,7 +514,7 @@ Below you can find supported syntax reference:
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> Example: `$VARIABLE_1 == $VARIABLE_2`
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> Example: `$VARIABLE_1 != $VARIABLE_2` _(added in 11.11)_
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> Example: `$VARIABLE_1 != $VARIABLE_2` (introduced in GitLab 11.11)
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It is possible to compare two variables. This is going to compare values
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of these variables.
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@ -530,11 +530,11 @@ Below you can find supported syntax reference:
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`$STAGING` value needs to a string, with length higher than zero.
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Variable that contains only whitespace characters is not an empty variable.
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1. Pattern matching _(added in 11.0)_
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1. Pattern matching (introduced in GitLab 11.0)
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> Example: `$VARIABLE =~ /^content.*/`
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> Example: `$VARIABLE_1 !~ /^content.*/` _(added in 11.11)_
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> Example: `$VARIABLE_1 !~ /^content.*/` (introduced in GitLab 11.11)
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It is possible perform pattern matching against a variable and regular
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expression. Expression like this evaluates to truth if matches are found
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@ -543,7 +543,7 @@ Below you can find supported syntax reference:
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Pattern matching is case-sensitive by default. Use `i` flag modifier, like
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`/pattern/i` to make a pattern case-insensitive.
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1. Conjunction / Disjunction
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1. Conjunction / Disjunction ([introduced](https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/27925) in GitLab 12.0)
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> Example: `$VARIABLE1 =~ /^content.*/ && $VARIABLE2 == "something"`
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