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Correct Sift through Text with Regular Expressions

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- Change information text
- Change regular expression
- Change code in editor
- Change assertion
This commit is contained in:
Abhisek Pattnaik
2015-08-22 19:05:41 +05:30
parent 901f1a977d
commit c5c68c252c
1 changed files with 6 additions and 7 deletions
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13
seed/challenges/basic-javascript.json
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@ -999,18 +999,17 @@
"difficulty":"9.984", "difficulty":"9.984",
"description":[ "description":[
"<code>Regular expressions</code> are used to find certain words or patterns inside of <code>strings</code>.", "<code>Regular expressions</code> are used to find certain words or patterns inside of <code>strings</code>.",
"For example, if we wanted to find the number of times the word <code>the</code> occurred in the string <code>The dog chased the cat</code>, we could use the following <code>regular expression</code>: <code>\/the+\/gi</code>", "For example, if we wanted to find the word <code>the</code> in the string <code>The dog chased the cat</code>, we could use the following <code>regular expression</code>: <code>\/the\/gi</code>",
"Let's break this down a bit:", "Let's break this down a bit:",
"<code>the</code> is the pattern we want to match.", "<code>the</code> is the pattern we want to match.",
"<code>+</code> means we want to find one or more occurrences of this pattern.", "<code>g</code> means that we want to search the entire string for this pattern instead of just the first match.",
"<code>g</code> means that we want to search the entire string for this pattern.",
"<code>i</code> means that we want to ignore the case (uppercase or lowercase) when searching for the pattern.", "<code>i</code> means that we want to ignore the case (uppercase or lowercase) when searching for the pattern.",
"<code>Regular expressions</code> are usually surrounded by <code>/</code> symbols.", "<code>Regular expressions</code> are written by surrounding the pattern with a <code>/</code> symbol.",
"Let's try selecting all the occurrences of the word <code>and</code> in the string <code>George Boole and Alan Turing went to the shop and got some milk</code>. We can do this by replacing the <code>.+</code> part of our regular expression with the current <code>regular expression</code> with the word <code>and</code>." "Let's try selecting all the occurrences of the word <code>and</code> in the string <code>George Boole and Alan Turing went to the shop and got some milk</code>. We can do this by replacing the <code>...</code> part of our regular expression with the current <code>regular expression</code> with the word <code>and</code>."
], ],
"tests":[ "tests":[
"assert(test==2, 'Your <code>regular expression</code> should find two occurrences of the word <code>and</code>');", "assert(test==2, 'Your <code>regular expression</code> should find two occurrences of the word <code>and</code>');",
"assert(editor.getValue().match(/\\/and\\+\\/gi/), 'You should have used <code>regular expressions</code> to find the word <code>and</code>');" "assert(editor.getValue().match(/\\/and\\/gi/), 'You should have used <code>regular expressions</code> to find the word <code>and</code>');"
], ],
"challengeSeed":[ "challengeSeed":[
"var test = (function() {", "var test = (function() {",
@ -1018,7 +1017,7 @@
" var expressionToGetMilk = /milk/gi;", " var expressionToGetMilk = /milk/gi;",
" // Only change code below this line.", " // Only change code below this line.",
"", "",
" var expression = /.+/gi;", " var expression = /.../gi;",
"", "",
" // Only change code above this line.", " // Only change code above this line.",
" // We use this function to show you the value of your variable in your output box.", " // We use this function to show you the value of your variable in your output box.",