浅析StringUtils � 永不冷場的人生

浅析StringUtils � 永不冷場的人生

IsEmpty/IsBlank – checks if a String contains text

Trim/Strip – removes leading and trailing whitespace

Equals – compares two strings null-safe

startsWith – check if a String starts with a prefix null-safe

endsWith – check if a String ends with a suffix null-safe

IndexOf/LastIndexOf/Contains – null-safe index-of checks

IndexOfAny/LastIndexOfAny/IndexOfAnyBut/LastIndexOfAnyBut – index-of any of a set of Strings

ContainsOnly/ContainsNone/ContainsAny – does String contains only/none/any of these characters

Substring/Left/Right/Mid – null-safe substring extractions

SubstringBefore/SubstringAfter/SubstringBetween – substring extraction relative to other strings

Split/Join – splits a String into an array of substrings and vice versa

Remove/Delete – removes part of a String

Replace/Overlay – Searches a String and replaces one String with another

Chomp/Chop – removes the last part of a String

LeftPad/RightPad/Center/Repeat – pads a String

UpperCase/LowerCase/SwapCase/Capitalize/Uncapitalize – changes the case of a String

CountMatches – counts the number of occurrences of one String in another

IsAlpha/IsNumeric/IsWhitespace/IsAsciiPrintable – checks the characters in a String

DefaultString – protects against a null input String

Reverse/ReverseDelimited – reverses a String

Abbreviate – abbreviates a string using ellipsis

Difference – compares Strings and reports on their differences

LevensteinDistance – the number of changes needed to change one String into another

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