Baseline Widely available
toString()
㯠RegExp
ã¤ã³ã¹ã¿ã³ã¹ã®ã¡ã½ããã§ãã¯æ£è¦è¡¨ç¾ã表ãæååãè¿ãã¾ãã
console.log(new RegExp("a+b+c"));
// Expected output: /a+b+c/
console.log(new RegExp("a+b+c").toString());
// Expected output: "/a+b+c/"
console.log(new RegExp("bar", "g").toString());
// Expected output: "/bar/g"
console.log(new RegExp("\n", "g").toString());
// Expected output (if your browser supports escaping): "/\n/g"
console.log(new RegExp("\\n", "g").toString());
// Expected output: "/\n/g"
æ§æ 弿°
ãªãã
è¿å¤å¼ã³åºãå ã®ãªãã¸ã§ã¯ãã表ãæååã§ãã
解説RegExp
ãªãã¸ã§ã¯ãã® toString()
ã¡ã½ããã¯ã Object
ãªãã¸ã§ã¯ãã®ãã®ã䏿¸ããã¾ããã¤ã¾ã Object.prototype.toString()
ãç¶æ¿ãã¾ããã RegExp
ãªãã¸ã§ã¯ãã«ããã toString()
ã¡ã½ããã¯ããã®æ£è¦è¡¨ç¾ãªãã¸ã§ã¯ãã表ãæååãè¿ãã¾ãã
å®éã«ã¯ãæ£è¦è¡¨ç¾ã® source
㨠flags
ããããã£ãèªã¿ã /source/flags
å½¢å¼ã®æååãè¿ãã¾ãã toString()
ã®è¿å¤ã¯è§£éå¯è½ãªæ£è¦è¡¨ç¾ãªãã©ã«ã§ãããã¨ãä¿è¨¼ããã¾ãããå
ã
æ£è¦è¡¨ç¾ã«æå®ããã¦ãããã®ã¨å
¨ãåãããã¹ãã§ã¯ãªãå¯è½æ§ãããã¾ã (ä¾ãã°ããã©ã°ã®ä¸¦ã³é ã夿´ããã¦ããå¯è½æ§ãããã¾ã)ã
以ä¸ã®ä¾ã¯ RegExp
ãªãã¸ã§ã¯ãã®æååã®å¤ã表示ãã¾ãã
const myExp = new RegExp("a+b+c");
console.log(myExp.toString()); // '/a+b+c/'
const foo = new RegExp("bar", "g");
console.log(foo.toString()); // '/bar/g'
ç©ºã®æ£è¦è¡¨ç¾ã¨ã¨ã¹ã±ã¼ã
toString()
㯠source
ããããã£ã«ã¢ã¯ã»ã¹ããã®ã§ãç©ºã®æ£è¦è¡¨ç¾ã¯ "/(?:)/"
ã¨ããæååãè¿ãã \n
ã®ãããªæ¹è¡æåã¯ã¨ã¹ã±ã¼ãããã¾ããããã«ãããè¿å¤ã¯å¸¸ã«æå¹ãªæ£è¦è¡¨ç¾ãªãã©ã«ã«ãªãã¾ãã
new RegExp().toString(); // "/(?:)/"
new RegExp("\n").toString() === "/\\n/"; // true
仿§æ¸ ãã©ã¦ã¶ã¼ã®äºææ§ é¢é£æ
å ±
RetroSearch is an open source project built by @garambo | Open a GitHub Issue
Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo
HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4