This is because when you specify a pattern (let's say abc) as a regex for matches for example, the actual pattern seen by Java is ^abc$. You can't use String.replace because it takes in a CharSequence for the first argument and not a regex.Īlso keep in mind that the "quick regex" methods offered by the String class may not work like you expect it to. If you wanted to use switches, you need to do add something like (?i) to the beginning of the regex. To get your code to work, you'd have to do something like this: strOutput.replaceAll("", "") The /g doesn't map to anything, but you can control replace behavior by using String.replaceAll versus String.replaceFirst. These map to Pattern.CASE_INSENSITIVE and Pattern.MULTILINE (you can use these switches when creating a regex from the Pattern class, or you can use them inline - I'll show this later). The only Javascript regex switches that make sense in the Java world are /i and /m. Also, Java's flavor of regex doesn't recognize switches like /g and /i those are controlled by constants in . how to convert string to regex in javascript string to regex javascript converter convert regex to string javascript javascript create regex from string convert to regex javascript convert regexp to js regexp from string javascript from string to regex javascript javascript convert regex to string javascript cast string to regex convert regex to.
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