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Scott.M
String.replaceFirst escape control characters in replacement string
I'm using String.replaceFirst to replace a token with an unkown string. I've run into an issue where the unknown string contained a back reference sequence $1. I don't wnat this to be interepreted as a back reference. An execption gets thrown since the group doesn't exist. My solution is to escape the $ character which works:
unknownString.replace('$', '\\$');
Is there a better way to escape control characters from the replacement string?
unknownString.replace('$', '\\$');
Is there a better way to escape control characters from the replacement string?
James Loghry
Don't think there's a better way, no. For what it's worth, the Apex regex syntax follows the Java regex syntax. In other words, you can find a bunch of regular expression testers like this one http://www.regexplanet.com/advanced/java/index.html which may help if you'd like to play with regular expression syntax.