JavaScript RegExp \r yuan zifu
- Ci karo da shari \f
- Ci gaba da shari \t
- Ci gaba da ƙasa Kita Tashiyananin JavaScript RegExp
ding yi he yong fa
\r yuan zifu匹 ma zhi hui che fu。
shili
Zai zifuchuan zhong sou suo hui che fu:
let text = "Visit CodeW3C.com.\rLearn Javascript."; let pattern = /\r/;
yufa
new RegExp("\\r")
hao xie jian:
/\r/
lü you zhi chi
/\r/ shi ECMAScript1 (ES1) te xing。
Suo you xian lü you dou quan mian zhi chi ES1 (JavaScript 1997)：
| Chrome | IE | Edge | Firefox | Safari | Opera |
|---|---|---|---|---|---|
| zhi chi | zhi chi | zhi chi | zhi chi | zhi chi | zhi chi |
Zhengzhuyan sou suo fangfa
Zai JavaScript zhong, zhengzhuyan zifuchuan sou suo keyi yong bu tong de fangfa wancheng.
shi yongmohu (pattern)Ri zhengzhuyan zhe shi zuichang yong de hanshufa:
| lili | miaoshu |
|---|---|
| text.match(hanshili) | zifuchuan hanshufa match() |
| text.search(hanshili) | zifuchuan hanshufa search() |
| hanshili.exec(text) | RexExp 方法 exec() |
| hanshili.tseka (text) | RexExp ɗanar test() |
- Ci karo da shari \f
- Ci gaba da shari \t
- Ci gaba da ƙasa Kita Tashiyananin JavaScript RegExp
