Unicode-aware substring

Count the longest repeating streak of a substring

Extracts the characters from a string between two specified indices.

Count how often a character (or substring) is used in a string

Strip a substring from the start/end of a string

Trim a consecutively repeated substring: foo--bar---baz → foo-bar-baz

Filter tests using substring

Replace all substring matches in a string

Improved substring method to avoid splitting mid word

Implementations for the Longest Common Substring algorithm [O(nm) time]

Applies a substring fragmentation to LDES members

Return the part of a string before a specified substring.

A Javascript library for fuzzy substring searches.

Return the part of a string after a specified substring.

an implementation of the longest common substring problem

Retrieves all indexes, in non-overlapping ranges, of a substring in a string.

Module making safe substring of HTML source

Substring node utility.

substring-by-length

Filters tests by tags/title using substring or regular expressions (can find dynamic tags)