Macro lazy_regex::regex_replace [−][src]
regex_replace!() { /* proc-macro */ }
Expand description
Replaces the leftmost match in the second argument with the value returned by the closure given as third argument.
The closure is given one or more &str
, the first one for
the whole match and the following ones for the groups.
Any optional group with no value is replaced with ""
.
Example:
let text = "Fuu fuuu"; let text = regex_replace!( "f(u*)"i, text, |_, suffix: &str| format!("F{}", suffix.len()), ); assert_eq!(text, "F2 fuuu");