[txt] <あ いう    えお>
[slc] // test example
[txt] =
[sqs] '\xa\'b\c\\\\\\'
[txt] ; =
[dqs] "1:abc\"def\\"
[txt] ;
[mlc] /* Hello! */
[txt] =
[bqs] `3:abc\`de \` f`
[txt] ; =
[rex] /4:[^a\[e\]bc/d\\\\f]qqq\/123/xyz
[txt] ; ggg