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reg->regexp

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This commit is contained in:
Ilya Kantor 2019-09-06 16:50:41 +03:00
parent 4232a53219
commit 32e20fc97c
35 changed files with 132 additions and 132 deletions
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8
9-regular-expressions/11-regexp-groups/04-parse-expression/solution.md
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@ -18,9 +18,9 @@ To make each of these parts a separate element of the result array, let's enclos
In action:
```js run
let reg = /(-?\d+(\.\d+)?)\s*([-+*\/])\s*(-?\d+(\.\d+)?)/;
let regexp = /(-?\d+(\.\d+)?)\s*([-+*\/])\s*(-?\d+(\.\d+)?)/;
alert( "1.2 + 12".match(reg) );
alert( "1.2 + 12".match(regexp) );
```
The result includes:
@ -42,9 +42,9 @@ The final solution:
```js run
function parse(expr) {
let reg = /(-?\d+(?:\.\d+)?)\s*([-+*\/])\s*(-?\d+(?:\.\d+)?)/;
let regexp = /(-?\d+(?:\.\d+)?)\s*([-+*\/])\s*(-?\d+(?:\.\d+)?)/;
let result = expr.match(reg);
let result = expr.match(regexp);
if (!result) return [];
result.shift();