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July 13, 2017 19:47
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Convert String with regex pattern to RegExp object
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| function toRegExp(text) { | |
| var flags; | |
| var reg; | |
| text = typeof text === 'string' ? text : ''; | |
| flags = text.replace(/.*\/([igmy]*)$/, '$1'); | |
| reg = text.replace(/^\/(.*)\/[igmy]*$/, '$1'); | |
| return new RegExp(reg, flags); | |
| } |
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usage:
toRegExp('/^http:/gi')
toRegExp('/(a|b)+[c]*/g')