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Merge pull request #13120 from Manish-Giri/fix/regex-match-repeating-characters

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Improve instructions in regex match repeating characters
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Samuel Plumppu
2017-02-03 23:47:45 +01:00
committed by GitHub
parent de93525405 e83d3b2c48
commit 15eca159d2
1 changed files with 2 additions and 1 deletions
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seed/challenges/02-javascript-algorithms-and-data-structures/regular-expressions.json
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@ -356,7 +356,8 @@
"description": [ "description": [
"Sometimes, you need to match a character (or group of characters) that appears one or more times in a row. This means it occurs at least once, and may be repeated.", "Sometimes, you need to match a character (or group of characters) that appears one or more times in a row. This means it occurs at least once, and may be repeated.",
"You can use the <code>+</code> character to check if that is the case. Remember, the character or pattern has to be present consecutively. That is, the character has to repeat one after the other.", "You can use the <code>+</code> character to check if that is the case. Remember, the character or pattern has to be present consecutively. That is, the character has to repeat one after the other.",
"For example, <code>/a+/g</code> would find one match in <code>\"abc\"</code> and return <code>[\"a\"]</code>. It would also find one match in <code>\"aabc\"</code> and return <code>[\"aa\"]</code>. If it were checking the string <code>\"abab\"</code>, it would find two matches and return <code>[\"a\", \"a\"]</code> because the <code>a</code> characters are not in a row - there is a <code>b</code> between them. Finally, since there is no <code>\"a\"</code> in the string <code>\"bcd\"</code>, it wouldn't find a match.", "For example, <code>/a+/g</code> would find one match in <code>\"abc\"</code> and return <code>[\"a\"]</code>. Because of the <code>+</code>, it would also find a single match in <code>\"aabc\"</code> and return <code>[\"aa\"]</code>.",
"If it were instead checking the string <code>\"abab\"</code>, it would find two matches and return <code>[\"a\", \"a\"]</code> because the <code>a</code> characters are not in a row - there is a <code>b</code> between them. Finally, since there is no <code>\"a\"</code> in the string <code>\"bcd\"</code>, it wouldn't find a match.",
"<hr>", "<hr>",
"You want to find matches when the letter <code>s</code> occurs one or more times in <code>\"Mississippi\"</code>. Write a regex that uses the <code>+</code> sign." "You want to find matches when the letter <code>s</code> occurs one or more times in <code>\"Mississippi\"</code>. Write a regex that uses the <code>+</code> sign."
], ],