has_prefix/2—determine whether one string has another string as prefix
The has_prefix/2 operator determines whether one string has another string as prefix.
$EXPR1 has_prefix $EXPR2
has_prefix/2 arguments
Argument | Type | Description |
|---|---|---|
$EXPR1 | STRING | Expression to the left of the operator |
$EXPR2 | STRING | Expression to the right of the operator |
Use has_prefix/2 to determine whether the value of expression $EXPR1 has the value of $EXPR2 as a prefix.
has_prefix/2 example
$E.mc_host has_prefix 'svc_'
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