Clever operations on regular expressions in JS and clever operations on JS

Source: Internet
Author: User

Clever operations on regular expressions in JS and clever operations on JS

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Var msg = "dsada [emoji: 37] dsadas [emoji: 3900] farfarafen River"; function fetch (msg) {var match, result = msg, reg =/\ [emoji: \ d + \]/g, emojiIndex, totalEmojiNum = 45; while (match = reg.exe c (msg) {console. log (match [0]); // [emoji: 37], [emoji: 3900] emojiIndex = match [0]. slice (7,-1); console. log (emojiIndex); // 37,3900 if (emojiIndex> totalEmojiNum) {result = result. replace (match [0], '[X]');} else {result = result. replace (match [0], ' ') ;}; return result; // "dsada  dsadas [X] farafen River"} fetch (msg );

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