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Diffstat (limited to 'doc/ci/variables/README.md')
| -rw-r--r-- | doc/ci/variables/README.md | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/doc/ci/variables/README.md b/doc/ci/variables/README.md index 830f015a108..9983b015b31 100644 --- a/doc/ci/variables/README.md +++ b/doc/ci/variables/README.md @@ -434,8 +434,9 @@ Below you can find supported syntax reference: 1. Equality matching using a string > Example: `$VARIABLE == "some value"` + > Example: `$VARIABLE != "some value"` _(added in 11.11)_ - You can use equality operator `==` to compare a variable content to a + You can use equality operator `==` or `!=` to compare a variable content to a string. We support both, double quotes and single quotes to define a string value, so both `$VARIABLE == "some value"` and `$VARIABLE == 'some value'` are supported. `"some value" == $VARIABLE` is correct too. @@ -443,22 +444,26 @@ Below you can find supported syntax reference: 1. Checking for an undefined value > Example: `$VARIABLE == null` + > Example: `$VARIABLE != null` _(added in 11.11)_ It sometimes happens that you want to check whether a variable is defined or not. To do that, you can compare a variable to `null` keyword, like `$VARIABLE == null`. This expression is going to evaluate to truth if - variable is not defined. + variable is not defined when `==` is used, or to falsey if `!=` is used. 1. Checking for an empty variable > Example: `$VARIABLE == ""` + > Example: `$VARIABLE != ""` _(added in 11.11)_ If you want to check whether a variable is defined, but is empty, you can - simply compare it against an empty string, like `$VAR == ''`. + simply compare it against an empty string, like `$VAR == ''` or non-empty + string `$VARIABLE != ""`. 1. Comparing two variables > Example: `$VARIABLE_1 == $VARIABLE_2` + > Example: `$VARIABLE_1 != $VARIABLE_2` _(added in 11.11)_ It is possible to compare two variables. This is going to compare values of these variables. @@ -477,9 +482,11 @@ Below you can find supported syntax reference: 1. Pattern matching _(added in 11.0)_ > Example: `$VARIABLE =~ /^content.*/` + > Example: `$VARIABLE_1 !~ /^content.*/` _(added in 11.11)_ It is possible perform pattern matching against a variable and regular - expression. Expression like this evaluates to truth if matches are found. + expression. Expression like this evaluates to truth if matches are found + when using `=~`. It evaluates to truth if matches are not found when `!~` is used. Pattern matching is case-sensitive by default. Use `i` flag modifier, like `/pattern/i` to make a pattern case-insensitive. |