mirror of https://github.com/jkjoy/sunpeiwen.git
86 lines
2.9 KiB
Markdown
86 lines
2.9 KiB
Markdown
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# strnum
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Parse string into Number based on configuration
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```bash
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npm install strnum
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```
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```js
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const toNumber = require("strnum");
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toNumber(undefined) // undefined
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toNumber(null)) //null
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toNumber("")) // ""
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toNumber("string"); //"string")
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toNumber("12,12"); //"12,12")
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toNumber("12 12"); //"12 12")
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toNumber("12-12"); //"12-12")
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toNumber("12.12.12"); //"12.12.12")
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toNumber("0x2f"); //47)
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toNumber("-0x2f"); //-47)
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toNumber("0x2f", { hex : true}); //47)
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toNumber("-0x2f", { hex : true}); //-47)
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toNumber("0x2f", { hex : false}); //"0x2f")
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toNumber("-0x2f", { hex : false}); //"-0x2f")
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toNumber("06"); //6)
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toNumber("06", { leadingZeros : true}); //6)
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toNumber("06", { leadingZeros : false}); //"06")
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toNumber("006"); //6)
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toNumber("006", { leadingZeros : true}); //6)
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toNumber("006", { leadingZeros : false}); //"006")
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toNumber("0.0"); //0)
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toNumber("00.00"); //0)
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toNumber("0.06"); //0.06)
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toNumber("00.6"); //0.6)
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toNumber(".006"); //0.006)
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toNumber("6.0"); //6)
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toNumber("06.0"); //6)
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toNumber("0.0", { leadingZeros : false}); //0)
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toNumber("00.00", { leadingZeros : false}); //"00.00")
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toNumber("0.06", { leadingZeros : false}); //0.06)
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toNumber("00.6", { leadingZeros : false}); //"00.6")
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toNumber(".006", { leadingZeros : false}); //0.006)
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toNumber("6.0" , { leadingZeros : false}); //6)
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toNumber("06.0" , { leadingZeros : false}); //"06.0")
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toNumber("-06"); //-6)
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toNumber("-06", { leadingZeros : true}); //-6)
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toNumber("-06", { leadingZeros : false}); //"-06")
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toNumber("-0.0"); //-0)
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toNumber("-00.00"); //-0)
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toNumber("-0.06"); //-0.06)
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toNumber("-00.6"); //-0.6)
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toNumber("-.006"); //-0.006)
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toNumber("-6.0"); //-6)
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toNumber("-06.0"); //-6)
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toNumber("-0.0" , { leadingZeros : false}); //-0)
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toNumber("-00.00", { leadingZeros : false}); //"-00.00")
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toNumber("-0.06", { leadingZeros : false}); //-0.06)
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toNumber("-00.6", { leadingZeros : false}); //"-00.6")
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toNumber("-.006", {leadingZeros : false}); //-0.006)
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toNumber("-6.0" , { leadingZeros : false}); //-6)
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toNumber("-06.0" , { leadingZeros : false}); //"-06.0")
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toNumber("420926189200190257681175017717") ; //4.209261892001902e+29)
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toNumber("000000000000000000000000017717" , { leadingZeros : false}); //"000000000000000000000000017717")
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toNumber("000000000000000000000000017717" , { leadingZeros : true}); //17717)
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toNumber("01.0e2" , { leadingZeros : false}); //"01.0e2")
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toNumber("-01.0e2" , { leadingZeros : false}); //"-01.0e2")
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toNumber("01.0e2") ; //100)
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toNumber("-01.0e2") ; //-100)
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toNumber("1.0e2") ; //100)
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toNumber("-1.0e2") ; //-100)
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toNumber("1.0e-2"); //0.01)
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toNumber("+1212121212"); // 1212121212
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toNumber("+1212121212", { skipLike: /\+[0-9]{10}/} )); //"+1212121212"
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```
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Supported Options
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```js
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hex : true, //when hexadecimal string should be parsed
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leadingZeros: true, //when number with leading zeros like 08 should be parsed. 0.0 is not impacted
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eNotation: true //when number with eNotation or number parsed in eNotation should be considered
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```
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