${name:W:<separator>:}: Apply to each word with separator

Applies the immediately following modifier on each word in the string, but splits at <separator>.

Links

• The Z Shell Manual on modifiers

Examples

Replace first occurrence in each word

1 2	value="a_aa_aaa_aaaa" echo $value:W:_:s/a/z/

Output:

1	z_za_zaa_zaaa