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Bash, 28 bytes Takes input as a single binary string. grep -Po '(^|0)1(?!1)'|wc -l -P (non-standard) - use PCRE-compatible regex syntax -o (non-standard) - output each matching substring as...
#2: Post edited
by
jhnc
·
2026-03-04T11:19:34Z (7 months ago)
- Bash, 28 bytes
- ---
Takes input as binary string.- ```
- grep -Po '(^|0)1(?!1)'|wc -l
- ```
- * `-P` (non-standard) - use PCRE-compatible regex syntax
- * `-o` (non-standard) - output each matching substring as separate line
- * `wc -l` - count lines
- Bash, 28 bytes
- ---
- Takes input as a single binary string.
- ```
- grep -Po '(^|0)1(?!1)'|wc -l
- ```
- * `-P` (non-standard) - use PCRE-compatible regex syntax
- * `-o` (non-standard) - output each matching substring as separate line
- * `wc -l` - count lines
#1: Initial revision
by
jhnc
·
2026-03-04T10:40:12Z (7 months ago)
Bash, 28 bytes --- Takes input as binary string. ``` grep -Po '(^|0)1(?!1)'|wc -l ``` * `-P` (non-standard) - use PCRE-compatible regex syntax * `-o` (non-standard) - output each matching substring as separate line * `wc -l` - count lines