不常见又难于输入的特殊符号

--斜杠

select '/' as  [正常斜杠]

select '／' as [特殊斜杠]

--括号

select '[]' as  [正常中括号]

select '［］' as [特殊中括号]

select '〔〕' as [特殊中括号（六角）]

select '<>' as [正常尖括号]

select '‹›' as [特殊尖括号]

select '〈〉' as [特殊尖括号]

select '＜＞' as [特殊尖括号]

select '≤≥' as [特殊尖括号]

select '<>、()、（）、‹›、〈〉、＜＞、≤≥、﹛﹜、『』、〖〗、［］、《》、﹝﹞、〔〕、{}、「」、【】、︵︶、︷︸、︿﹀、︹︺、︽︾、﹁﹂、﹃﹄、︻︼' as [所有括号]

--空格

select ' ' as [正常空格]

select '' as [特殊空格]