4 ms·
No in this case the regex on the bottom only applies the . to the square in question while the \sSAI in question applies to the second square. It seems that it
by vsah 12y ago
No in this case the regex on the bottom only applies the . to the square in question while the \sSAI in question applies to the second square. It seems that it could be a I or a T.
- kbuck 12y ago(\sSAI) is a group, not a character class. It matches the fixed string " SAI" and stores it in a group. If it were [\sSAI], you'd be correct.