bisectable6

query

no worries; say 'alfama' ~~ S/a/e/

result

¦«2015.12»:
Potential difficulties:
    Smartmatch with S/// can never succeed because the subsequent string match will fail
    at /tmp/xsWA6qhj3K:1
    ------> no worries; say 'alfama' ~~ ⏏S/a/e/
False

¦«2016.01.1,2016.02,2016.03,2016.04,2016.05,be210fb^»:
Potential difficulties:
    Smartmatch with S/// can never succeed because the string it returns will fail to match. You can use given instead of ~~.
    at /tmp/xsWA6qhj3K:1
    ------> no worries; say 'alfama' ~~ ⏏S/a/e/
False

¦«be210fb,2016.06,2016.07.1,2016.08.1,2016.09,2016.10,2016.11,2016.12,
  2017.01,2017.02,2017.03,2017.04.3,2017.05,2017.06,2017.07,2017.08,
  2017.09,2017.10,2017.11,2017.12,2018.01»:
Potential difficulties:
    Smartmatch with S/// is not useful. You can use given instead: S/// given $foo
    at /tmp/xsWA6qhj3K:1
    ------> no worries; say 'alfama' ~~ ⏏S/a/e/
False

¦«2018.02.1,2018.03,2018.04.1,2018.05,2018.06,2018.08,2018.09,2018.10,
  2018.11,2018.12,2019.03.1,2019.07.1,2019.11,2020.01,2020.02.1,2020.05.1,
  2020.06,2020.07,2020.08.2,2020.09,2020.10,2020.11,2020.12,2021.02.1,
  2021.03,2021.04,2021.05,2021.06,2021.07,2021.08,2021.09,2021.10,2021.12,
  32401c4^»:
False

¦«32401c4,2022.02,2022.03,2022.04,2022.06,2022.07,HEAD(fa2f35e)»:
elfama