Web Reference: Nov 20, 2015 · For Example if this is my equation string, I want to count the no:of occurrences of "IF (" string in the equation. E.g. this way: In more advanced example you would probably need to use regex. Your Answer. Thanks for contributing an answer to Stack Overflow! String substring (int beginIndex, int endIndex) − The substring contains all the characters from startIndex if endIndex is not specified. The substring begins at the specified beginIndex and extends to the character at index endIndex - 1. We value backwards compatibility of these methods when used within Groovy but value less backwards compatibility at the Java method call level. I.e. future versions of Groovy may remove or move a method call in this file but would normally aim to keep the method available from within Groovy.
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